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5sx9

Crystal Structure of PI3Kalpha in complex with fragment 14

Method: X-RAY DIFFRACTION Dmax: 117.8 Å Quality: REASONABLE
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform

Homo sapiens

UniProt P42336

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count Chain A； UniProt 1–1068 Non-standard monomer：Yes (specific site not provided by mmCIF) Phosphatidylinositol 3-kinase regulatory subunit alpha × 1 （P27986） 71L 4,6-dimethylpyridin-2-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate Resolution 3.52 Å R-free 0.277

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 5SX9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2ENQ Solution structure of the C2 domain from human PI3-kinase p110 subunit alpha Deposited 2007-03-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 331–481（151 aa） Fragment：C2 domain
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；293 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR sample composition 0.77mM 13C, 15N-labeled protein; 20mM d-Tris-HCl(pH7.0), 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 10% D2O; 90% H2O | 10% D2O; 90% H2O
Resolution not provided
2RD0 Structure of a human p110alpha/p85alpha complex Deposited 2007-09-20 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；293 K；Sodium Formate, pH 7.0, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.323
3HHM Crystal structure of p110alpha H1047R mutant in complex with niSH2 of p85alpha and the drug wortmannin Deposited 2009-05-15 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：H1047R KWT (1S,6BR,9AS,11R,11BR)-9A,11B-DIMETHYL-1-[(METHYLOXY)METHYL]-3,6,9-TRIOXO-1,6,6B,7,8,9,9A,10,11,11B-DECAHYDRO-3H-FURO[4, 3,2-DE]INDENO[4,5-H][2]BENZOPYRAN-11-YL ACETATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；Na formate, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.80 Å R-free 0.307
3HIZ Crystal structure of p110alpha H1047R mutant in complex with niSH2 of p85alpha Deposited 2009-05-20 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：H1047R No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；Na formate, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.30 Å R-free 0.333
3ZIM Discovery of a potent and isoform-selective targeted covalent inhibitor of the lipid kinase PI3Kalpha Deposited 2013-01-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1046（940 aa） Fragment：N-TERMINAL TRUNCATED, RESIDUES 107-1046
Not recorded KKR 1-[4-[[2-(1H-indazol-4-yl)-4-morpholin-4-yl-thieno[3,2-d]pyrimidin-6-yl]methyl]piperazin-1-yl]-6-methyl-hept-5-ene-1,4- dione × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.85 Å R-free 0.278
4JPS Co-crystal Structures of the Lipid Kinase PI3K alpha with Pan and Isoform Selective Inhibitors Deposited 2013-03-19 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K, L233K SCN THIOCYANATE ION × 1 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；303 K；12% PEG 3350, 120MM KSCN, 6uL protein to 4uL well with streak seeding at 18C , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 303K
Resolution 2.20 Å R-free 0.228
4L1B Crystal Structure of p110alpha complexed with niSH2 of p85alpha Deposited 2013-06-03 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.15 M Lithium sulfate, 0.1 M Tris PH 8.5, 30%(W/V) PEG 1000MME, vapor diffusion, hanging drop, temperature 291K
Resolution 2.59 Å R-free 0.274
4L23 Crystal Structure of p110alpha complexed with niSH2 of p85alpha and PI-103 Deposited 2013-06-04 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded X6K 3-(4-MORPHOLIN-4-YLPYRIDO[3',2':4,5]FURO[3,2-D]PYRIMIDIN-2-YL)PHENOL × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.15 M Lithium sulfate, 0.1 M Tris PH 8.5, 30%(W/V) PEG 1000MME, vapor diffusion, hanging drop, temperature 291K
Resolution 2.50 Å R-free 0.273
4L2Y Crystal Structure of p110alpha complexed with niSH2 of p85alpha and compound 9d Deposited 2013-06-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded XXK 3-amino-5-[4-(morpholin-4-yl)pyrido[3',2':4,5]furo[3,2-d]pyrimidin-2-yl]phenol × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.15 M Lithium sulfate, 0.1 M Tris PH 8.5, 30%(W/V) PEG 1000MME, vapor diffusion, hanging drop, temperature 291K
Resolution 2.80 Å R-free 0.271
4OVU Crystal Structure of p110alpha in complex with niSH2 of p85alpha Deposited 2014-01-14 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；NaFormate
Resolution 2.96 Å R-free 0.272
4OVV Crystal Structure of PI3Kalpha in complex with diC4-PIP2 Deposited 2014-01-14 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded PBU (2R)-3-{[(R)-HYDROXY{[(1R,2R,3S,4R,5R,6S)-2,3,6-TRIHYDROXY-4,5-BIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}PHOSPHORYL]OXY}PROPANE-1 ,2-DIYL DIBUTANOATE × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；NaFormate
Resolution 3.50 Å R-free 0.339
4TUU Isolated p110a subunit of PI3Ka provides a platform for structure-based drug design Deposited 2014-06-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa） Fragment：UNP residues 105-1048
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293.15 K；PEG 6K, 0.6 M Na Formate, 0.1M CHES, pH 9.0-10 and 5 mM TCEP, pH 7.0 at a temperature of 20 degC.
Resolution 2.64 Å R-free 0.245
4TV3 Isolated p110a subunit of PI3Ka provides a platform for structure-based drug design Deposited 2014-06-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa） Fragment：UNP residues 105-1048
Not recorded ML9 2-amino-8-[trans-4-(2-hydroxyethoxy)cyclohexyl]-6-(6-methoxypyridin-3-yl)-4-methylpyrido[2,3-d]pyrimidin-7(8H)-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293.15 K；PEG 6K, 0.6 M Na Formate, 0.1M CHES, pH 9.0-10 and 5 mM TCEP, pH 7.0 at a temperature of 20 degC.
Resolution 2.85 Å R-free 0.250
4WAF Crystal Structure of a novel tetrahydropyrazolo[1,5-a]pyrazine in an engineered PI3K alpha Deposited 2014-08-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1068（1067 aa）
Mutation：M232K, L233K, I800M, F930V 3K6 N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3-b]pyridin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-3-yl]benzenesulfonamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；303.15 K；12% PEG 3350, 120mM potassium thiocyanate
Resolution 2.39 Å R-free 0.247
4YKN Pi3K alpha lipid kinase with Active Site Inhibitor Deposited 2015-03-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–1068（1067 aa） Fragment：UNP P27986 residues 318-615, LINKER (GSPGISGGGGG), P42336 residues 2-1068
Not recorded 4EL 3-(6-methoxypyridin-3-yl)-5-[({4-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfamoyl]phenyl}amino)methyl]benzoic acid × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；ethylenene glycol, PIP2
Resolution 2.90 Å R-free 0.247
4ZOP Co-crystal Structure of Lipid Kinase PI3K alpha with a selective phosphatidylinositol-3 kinase alpha inhibitor Deposited 2015-05-06 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K, L233K 4Q2 (2S,3R)-N~1~-(8-tert-butyl-4,5-dihydro[1,3]thiazolo[4,5-h]quinazolin-2-yl)-3-methylpyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；303 K；12% PEG 3350, 120MM KSCN, 6UL PROTEIN TO 4UL WELL WITH STREAK SEEDING AT 18C , PH 7.5, VAPOR DIFFUSION, HANGING DROP
Resolution 2.62 Å R-free 0.258
5DXH p110alpha/p85alpha with compound 5 Deposited 2015-09-23 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1068（1067 aa）
Not recorded 5H2 methyl {2-[4-(2-chlorophenyl)-4H-1,2,4-triazol-3-yl]-4,5-dihydrothieno[3,2-d][1]benzoxepin-8-yl}carbamate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；PEG 20000
Resolution 3.00 Å R-free 0.218
5DXH p110alpha/p85alpha with compound 5 Deposited 2015-09-23 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 2–1068（1067 aa）
Not recorded 5H2 methyl {2-[4-(2-chlorophenyl)-4H-1,2,4-triazol-3-yl]-4,5-dihydrothieno[3,2-d][1]benzoxepin-8-yl}carbamate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；PEG 20000
Resolution 3.00 Å R-free 0.218
5DXT p110alpha with GDC-0326 Deposited 2015-09-23 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1068（962 aa） Fragment：PI3-KINASE P110 ALPHA, UNP residues 107-1068
Not recorded 5H5 (2S)-2-({2-[1-(propan-2-yl)-1H-1,2,4-triazol-5-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}oxy)propanamide × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；PEG 20000
Resolution 2.25 Å R-free 0.262
5FI4 Discovery of imidazo[1,2-a]-pyridine inhibitors of pan-PI3 kinases that are efficacious in a mouse xenograft model Deposited 2015-12-22 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K L233K GOL GLYCEROL × 1 5XV ~{N}-[6-[5-azanyl-6-[(2~{S})-1,1,1-tris(fluoranyl)propan-2-yl]oxy-pyrazin-2-yl]imidazo[1,2-a]pyridin-2-yl]ethanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；303.15 K；12.5% PEG 3350, 125 mM KSCN Drops were 5uL protein: 3uL well solutions and streak seeded.
Resolution 2.50 Å R-free 0.245
5ITD Crystal structure of PI3K alpha with PI3K delta inhibitor Deposited 2016-03-16 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K, L233K 6CY 5-{4-[3-(4-acetylpiperazine-1-carbonyl)phenyl]quinazolin-6-yl}-2-methoxypyridine-3-carbonitrile × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 uL of protein was mixed with 5 uL of well solution containing 12% PEG 3350 and 120 mM potassium thiocyanate
Resolution 3.02 Å R-free 0.241
5SW8 Crystal structure of PI3Kalpha in complex with fragments 7 and 11 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 70S 2H-indazol-5-amine × 1 FB1 2-CHLOROBENZENESULFONAMIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.30 Å R-free 0.298
5SWG Crystal Structure of PI3Kalpha in complex with fragments 5 and 21 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) AX7 1H-benzimidazol-2-amine × 1 CAQ CATECHOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.11 Å R-free 0.262
5SWO Crystal Structure of PI3Kalpha in complex with fragments 4 and 19 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 70T 2-methyl-5-nitro-1H-indole × 1 2ZV 4-methyl-3-nitropyridin-2-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.50 Å R-free 0.274
5SWP Crystal Structure of PI3Kalpha in complex with fragments 6 and 24 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 70W tert-butyl 4-aminopiperidine-1-carboxylate × 2 70V 2-methylcyclohexane-1,3-dione × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.41 Å R-free 0.296
5SWR Crystal Structure of PI3Kalpha in complex with fragments 20 and 26 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 718 6-hydroxy-3,4-dihydronaphthalen-1(2H)-one × 1 CL CHLORIDE ION × 2 SAL 2-HYDROXYBENZOIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.31 Å R-free 0.273
5SWT Crystal Structure of PI3Kalpha in complex with fragments 17 and 27 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 71A pyridin-3-ol × 1 71B 3-fluoro-4-methoxyaniline × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.49 Å R-free 0.285
5SX8 Crystal Structure of PI3Kalpha in complex with fragments 12 and 15 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 71M 6-methylpyridin-2-amine × 2 LUZ pteridine-2,4(1H,3H)-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.47 Å R-free 0.276
5SXA Crystal Structure of PI3Kalpha in complex with fragment 10 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 71N 2-(trifluoromethyl)-1H-benzimidazol-5-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.35 Å R-free 0.275
5SXB Crystal Structure of PI3Kalpha in complex with fragment 23 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SOA ISATOIC ANHYDRIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.30 Å R-free 0.278
5SXC Crystal Structure of PI3Kalpha in complex with fragment 8 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) URF 5-FLUOROURACIL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.55 Å R-free 0.268
5SXD Crystal Structure of PI3Kalpha in complex with fragment 22 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 71F 2-methoxybenzoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.50 Å R-free 0.276
5SXE Crystal Structure of PI3Kalpha in complex with fragments 19 and 28 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 71G 3-aminobenzonitrile × 1 ES3 4-bromo-1H-imidazole × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.51 Å R-free 0.271
5SXF Crystal Structure of PI3Kalpha in complex with fragment 9 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) HPP HYDROXYPHENYL PROPIONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.46 Å R-free 0.267
5SXI Crystal Structure of PI3Kalpha in complex with fragment 13 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 71J trans-cyclohexane-1,4-diol × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.40 Å R-free 0.279
5SXJ Crystal Structure of PI3Kalpha in complex with fragment 29 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) BHO BENZHYDROXAMIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.42 Å R-free 0.279
5SXK Crystal Structure of PI3Kalpha in complex with fragment 18 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 71K 2-methylbenzene-1,3-diamine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.55 Å R-free 0.278
5UBR CRYSTAL STRUCTURE OF PI3K ALPHA IN COMPLEX WITH A 7-(3-(PIPERAZIN-1-YL)PHENYL)PYRROLO[2,1-F][1,2,4] TRIAZIN-4-AMINE DERIVIATINE Deposited 2016-12-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1050（944 aa）
Not recorded 85S 1-[4-(3-{4-amino-5-[1-(oxan-4-yl)-1H-pyrazol-5-yl]pyrrolo[2,1-f][1,2,4]triazin-7-yl}phenyl)piperazin-1-yl]ethan-1-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；NULL
Resolution 2.40 Å R-free 0.246
5UK8 The co-structure of (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-3-methylmorpholine and a rationally designed PI3K-alpha mutant that mimics ATR Deposited 2017-01-20 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K,L233K, I800M, F930V, R770E, W780K, E798I, V850W 8DV (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-3-methylmorpholine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 UL OF PROTEIN WAS MIXED WITH 5 UL OF WELL SOLUTION CONTAINING 12% PEG 3350 AND 120 MM POTASSIUM THIOCYANATE, PH 7.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 303.15K
Resolution 2.50 Å R-free 0.240
5UKJ The co-structure of N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3- b]pyridin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5- a]pyrazin-3-yl]benzenesulfonamide and a rationally designed PI3K-alpha mutant that mimics ATR Deposited 2017-01-23 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa） Fragment：UNP residues
Mutation：M232K L233K I800M F930V W780K V850W R770E E798I 3K6 N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3-b]pyridin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-3-yl]benzenesulfonamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 UL OF PROTEIN WAS MIXED WITH 5 UL OF WELL SOLUTION CONTAINING 12% PEG 3350 AND 120 MM POTASSIUM THIOCYANATE, PH 7.2, VAPOR DIFFUSION, HANGING DROP,
Resolution 2.80 Å R-free 0.252
5UL1 The co-structure of 3-amino-6-(4-((1-(dimethylamino)propan-2-yl)sulfonyl)phenyl)-N-phenylpyrazine-2-carboxamide and a rationally designed PI3K-alpha mutant that mimics ATR Deposited 2017-01-23 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K L233K I800M F930V W780K V850W R770E E798I 8DY 3-amino-6-(4-{[(2S)-1-(dimethylamino)propan-2-yl]sulfonyl}phenyl)-N-phenylpyrazine-2-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 UL OF PROTEIN WAS MIXED WITH 5 UL OF WELL SOLUTION CONTAINING 12% PEG 3350 AND 120 MM POTASSIUM THIOCYANATE, PH 7.2, VAPOR DIFFUSION, HANGING DROP
Resolution 3.00 Å R-free 0.260
5XGH Crystal structure of PI3K complex with an inhibitor Deposited 2017-04-13 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 8–1055（1048 aa） Fragment：UNP residues 8-1055
Not recorded 84U 3-[(4-fluorophenyl)methylamino]-5-(4-morpholin-4-ylthieno[3,2-d]pyrimidin-2-yl)phenol × 1 GOL GLYCEROL × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0.15M Lithium sulfate, 0.1M Tris-HCl pH 8.5, 28%(W/V) PEG2000MME
Resolution 2.97 Å R-free 0.280
5XGI Crystal structure of PI3K complex with an inhibitor Deposited 2017-04-13 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 8–1059（1052 aa） Fragment：UNP residues 8-1059
Not recorded 84R 3-azanyl-5-(4-morpholin-4-ylthieno[3,2-d]pyrimidin-2-yl)phenol × 1 P6G HEXAETHYLENE GLYCOL × 1 SO4 SULFATE ION × 3 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0.15M Lithium sulfate, 0.1M Tris-HCl pH 8.5, 28%(W/V) PEG2000MME
Resolution 2.56 Å R-free 0.290
5XGJ Crystal structure of PI3K complex with an inhibitor Deposited 2017-04-13 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 8–1055（1048 aa） Fragment：UNP residues 8-1055
Not recorded 84X 3-(4-morpholin-4-ylfuro[3,2-d]pyrimidin-2-yl)-5-[(phenylmethyl)amino]phenol × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0.15M Lithium sulfate, 0.1M Tris-HCl pH 8.5, 28%(W/V) PEG2000MME
Resolution 2.97 Å R-free 0.279
6GVF Crystal structure of PI3K alpha in complex with 3-(2-Amino-benzooxazol-5-yl)-1-isopropyl-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine Deposited 2018-06-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1051（945 aa）
Not recorded FE5 5-(4-azanyl-1-propan-2-yl-pyrazolo[3,4-d]pyrimidin-3-yl)-1,3-benzoxazol-2-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；NULL
Resolution 2.50 Å R-free 0.244
6GVG Crystal structure of PI3K alpha in complex with 3-(2-Amino-benzooxazol-5-yl)-1-isopropyl-4-methyl-1H-pyrazolo[3,4-d]pyrimidin-6-ylamine Deposited 2018-06-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1068（962 aa）
Not recorded FCZ 5-(6-azanyl-4-methyl-1-propan-2-yl-pyrazolo[3,4-d]pyrimidin-3-yl)-1,3-benzoxazol-2-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；none
Resolution 3.00 Å R-free 0.229
6GVH Crystal structure of PI3K alpha in complex with 3-(2-Amino-benzooxazol-5-yl)-4-chloro-1-isopropyl-1H-pyrazolo[3,4-d]pyrimidin-6-ylamine Deposited 2018-06-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1068（962 aa）
Not recorded FDH 5-(6-azanyl-4-chloranyl-1-propan-2-yl-pyrazolo[3,4-d]pyrimidin-3-yl)-1,3-benzoxazol-2-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；none
Resolution 2.74 Å R-free 0.246
6GVI Crystal structure of PI3K alpha in complex with 3-(2-Amino-benzooxazol-5-yl)-1-isopropyl-1H-pyrazolo[3,4-d]pyrimidine-4,6-diamine Deposited 2018-06-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1068（962 aa）
Not recorded FDW 3-(2-azanyl-1,3-benzoxazol-5-yl)-1-propan-2-yl-pyrazolo[3,4-d]pyrimidine-4,6-diamine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；none
Resolution 2.90 Å R-free 0.232
6NCT Structure of p110alpha/niSH2 - vector data collection Deposited 2018-12-12 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded 144 TRIS-HYDROXYMETHYL-METHYL-AMMONIUM × 2 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.1 M Hepes, 1.4-1.6 M sodium formate
Resolution 3.35 Å R-free 0.271
6OAC PQR530 [(S)-4-(Difluoromethyl)-5-(4-(3-methylmorpholino)-6-morpholino-1,3,5-triazin-2-yl)pyridin-2-amine] bound to the PI3Ka catalytic subunit p110alpha Deposited 2019-03-15 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded M1J 4-(difluoromethyl)-5-{4-[(3S)-3-methylmorpholin-4-yl]-6-(morpholin-4-yl)-1,3,5-triazin-2-yl}pyridin-2-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9.5；290 K；8% PEG6000, 0.6M Na Formate, 0.1M CHES pH 9.5, 5mM TCEP
Resolution 3.15 Å R-free 0.287
6PYS Human PI3Kalpha in complex with Compound 2-10 ((3S)-3-benzyl-3-methyl-5-[5-(2-methylpyrimidin-5-yl)pyrazolo[1,5-a]pyrimidin-3-yl]-1,3-dihydro-2H-indol-2-one) Deposited 2019-07-30 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1051（945 aa） Fragment：UNP residues 107-1051
Not recorded P5J (3S)-3-benzyl-3-methyl-5-[5-(2-methylpyrimidin-5-yl)pyrazolo[1,5-a]pyrimidin-3-yl]-1,3-dihydro-2H-indol-2-one × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；not available
Resolution 2.19 Å R-free 0.259
6VO7 Crystal structure of PI3K-alpha Ras Binding Domain (RBD) Deposited 2020-01-30 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 157–300（144 aa） Fragment：Ras Binding Domain (RBD)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.1 M Tris-HCL, 0.7 M Na Citrate, pH 8.5
Resolution 2.31 Å R-free 0.255
7JIU HUMAN PI3KDELTA IN COMPLEX WITH COMPOUND 2F Deposited 2020-07-23 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 107–1052（946 aa） Fragment：TRUNCATED PI3-KINASE ALPHA, residues 107-1052
Not recorded VBS (3S)-3-benzyl-5-[9-ethyl-8-(2-methylpyrimidin-5-yl)-9H-purin-6-yl]-3-methyl-1,3-dihydro-2H-indol-2-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；NOT AVAILABLE
Resolution 2.12 Å R-free 0.246
7K6M Crystal structure of PI3Kalpha selective Inhibitor PF-06843195 Deposited 2020-09-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded VXY 2,2-difluoroethyl (3S)-3-{[2'-amino-5-fluoro-2-(morpholin-4-yl)[4,5'-bipyrimidin]-6-yl]amino}-3-(hydroxymethyl)pyrrolidine-1-carboxylate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；286 K；8% (w/v) PEG 6000, 0.1 M CHES pH 9.75, 0.64 M sodium formate, 5 mM TCEP pH 7, 50 mM Tris pH 8.0, 100 mM NaCl, 2% Ethylene Glycol
Resolution 2.41 Å R-free 0.232
7K6N Crystal structure of PI3Kalpha selective Inhibitor 11-1575 Deposited 2020-09-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded VY4 tert-butyl (3S)-3-[4-(2-aminopyrimidin-5-yl)-2-(morpholin-4-yl)-5,6-dihydro-7H-pyrrolo[2,3-d]pyrimidin-7-yl]-3-methylpyrrolidine-1-carboxylate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；286 K；8% (w/v) PEG 6000, 0.1 M CHES pH 9.75, 0.64 M sodium formate, 5 mM TCEP pH 7
Resolution 2.77 Å R-free 0.235
7K6O Crystal structure of PI3Kalpha inhibitor 10-5429 Deposited 2020-09-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded VY1 (3S)-3-[4-(2-aminopyrimidin-5-yl)-2-(morpholin-4-yl)-5,6-dihydro-7H-pyrrolo[2,3-d]pyrimidin-7-yl]-N-methylpyrrolidine-1-sulfonamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；286 K；8% (w/v) PEG 6000, 0.1 M CHES pH 9.75, 0.64 M sodium formate, 5 mM TCEP pH 7
Resolution 2.74 Å R-free 0.262
7K71 Crystal structure of PI3Kalpha inhibitor 4-0686 Deposited 2020-09-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded VYP 2-(morpholin-4-yl)[4,5'-bipyrimidin]-2'-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；286 K；8% (w/v) PEG 6000, 0.1 M CHES pH 9.75, 0.64 M sodium formate, 5 mM TCEP pH 7
Resolution 2.90 Å R-free 0.259
7L1B Crystal structure of HLA-A*03:01 in complex with a wild-type PIK3CA peptide Deposited 2020-12-14 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277.15 K；10.00 % w/v Polyethylene glycol 8,000, 200 mM Calcium acetate, 100 mM HEPES; pH 7.5
Resolution 2.04 Å R-free 0.221
7L1C Crystal structure of HLA-A*03:01 in complex with a mutant PIK3CA peptide Deposited 2020-12-14 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Not recorded GOL GLYCEROL × 5 FMT FORMIC ACID × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.6；277.15 K；20% w/v Polyethylene glycol 3,350, 200 mM Ammonium formate, pH 6.6
Resolution 1.96 Å R-free 0.205
7L1D Crystal structure of human 21LT2-2 TCR bound to HLA-A*03:01 in complex with a mutant PIK3CA peptide Deposited 2020-12-14 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain C 1046–1054（9 aa）
Not recorded ACT ACETATE ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；10% w/v Polyethylene glycol 8,000, 200mM Magnesium acetate
Resolution 3.11 Å R-free 0.250
7MLK Crystal structure of human PI3Ka (p110a subunit) with MMV085400 bound to the active site determined at 2.9 angstroms resolution Deposited 2021-04-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa） Fragment：UNP residues 105-1048
Not recorded ZHY 4-[6-(3,4,5-trimethoxyanilino)pyrazin-2-yl]benzamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；286 K；8% (w/v) PEG 6000, 0.1 M CHES pH 9.75, 0.64 M Sodium Formate and AMP, 5 mM TCEP pH 7
Resolution 2.91 Å R-free 0.242
7MYN Cryo-EM Structure of p110alpha in complex with p85alpha Deposited 2021-05-21 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.79 Å
7MYO Cryo-EM structure of p110alpha in complex with p85alpha inhibited by BYL-719 Deposited 2021-05-21 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.92 Å
7PG5 Crystal Structure of PI3Kalpha Deposited 2021-08-13 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K, L233K PO4 PHOSPHATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；10% PEG 5K MME (w/v), 160 nM KSCN, 100 mM sodium cacodylate pH 6.5.
Resolution 2.20 Å R-free 0.246
7PG6 Crystal Structure of PI3Kalpha in complex with the inhibitor NVP-BYL719 Deposited 2021-08-13 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K, L233K 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；10% PEG 5000, 160 mM KSCN and 100 mM sodium cacodylate pH 6.5
Resolution 2.50 Å R-free 0.240
7R9V Structure of PIK3CA with covalent inhibitor 19 Deposited 2021-06-29 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded 2Q7 N-[2-(4-{4-[2-amino-4-(difluoromethyl)pyrimidin-5-yl]-6-(morpholin-4-yl)-1,3,5-triazin-2-yl}piperazin-1-yl)-2-oxoethyl]-1-(prop-2-enoyl)piperidine-4-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；PEG6000 8%, 0.6 M sodium formate, 0.1 M CHES pH 9.4, 5 mM TCEP
Resolution 2.69 Å R-free 0.292
7R9Y Structure of PIK3CA with covalent inhibitor 22 Deposited 2021-06-29 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded 2IX N-[2-(4-{4-[2-amino-4-(difluoromethyl)pyrimidin-5-yl]-6-(morpholin-4-yl)-1,3,5-triazin-2-yl}piperazin-1-yl)-2-oxoethyl]-N-methyl-1-(prop-2-enoyl)piperidine-4-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；PEG6000 8%, 0.6 M sodium formate, 0.1 M CHES pH 9.4, 5 mM TCEP
Resolution 2.85 Å R-free 0.287
7RRG Crystal structure of human 0606T1-2 TCR bound to HLA-A*03:01 in complex with a mutant PIK3CA peptide Deposited 2021-08-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain C 1046–1054（9 aa）
Mutation：H1047L GOL GLYCEROL × 13 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277.15 K；12% w/v Polyethylene glycol 3,350, 100 mM Succinic acid
Resolution 2.12 Å R-free 0.221
7TZ7 PI3K alpha in complex with an inhibitor Deposited 2022-02-15 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K, L233K KVJ (4S,5R)-3-[2'-amino-2-(morpholin-4-yl)-4'-(trifluoromethyl)[4,5'-bipyrimidin]-6-yl]-4-(hydroxymethyl)-5-methyl-1,3-oxazolidin-2-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；303.15 K；0.15M Potassium Thiocyanate, 20% PEG 3350
Resolution 2.41 Å R-free 0.277
8AM0 Crystal structure of human T1061E PI3Kalpha in complex with its regulatory subunit and the inhibitor GDC-0077 (Inavolisib) Deposited 2022-08-02 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：T1061E MWF (2R)-2-[[2-[(4S)-4-[bis(fluoranyl)methyl]-2-oxidanylidene-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl]amino]propanamide × 1 EDO 1,2-ETHANEDIOL × 3 PGE TRIETHYLENE GLYCOL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.1；293 K；0.10 M Bis-Tris-Propane pH 8.10, 0.20 M Na 3 -citrate, 10.00 %(w/v) PEG 3350
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.1；293 K；0.10 M Bis-Tris-Propane pH 8.10, 0.20 M Na 3 -citrate, 10.00 %(w/v) PEG 3350
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.1；293 K；0.10 M Bis-Tris-Propane pH 8.10, 0.20 M Na 3 -citrate, 10.00 %(w/v) PEG 3350
Resolution 2.82 Å R-free 0.300
8BFU Crystal structure of the apo p110alpha catalytic subunit from homo sapiens Deposited 2022-10-26 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；12.5% (w/v) PEG 4K, 20% (v/v) 1,2,6-hexanetriol, 90 mM LiNaK, 0.1 M MOPSO/bis-tris pH 6.5
Resolution 2.41 Å R-free 0.279
8DCP PI 3-kinase alpha with nanobody 3-126 Deposited 2022-06-17 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å
8DCX PI 3-kinase alpha with nanobody 3-159 Deposited 2022-06-17 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8DD4 PI 3-kinase alpha with nanobody 3-142 Deposited 2022-06-17 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8DD8 PI 3-kinase alpha with nanobody 3-142, crosslinked with DSG Deposited 2022-06-17 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8EXL Crystal structure of PI3K-alpha in complex with taselisib Deposited 2022-10-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 7–1052（1046 aa）
Not recorded 799 2-methyl-2-(4-{2-[3-methyl-1-(propan-2-yl)-1H-1,2,4-triazol-5-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-1H-pyrazol-1-yl)propanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.2；291 K；0.1M MES buffer pH 6.2, 16% PEG 20,000, 0.1M KCl
Resolution 1.99 Å R-free 0.225
8EXO Crystal structure of PI3K-alpha in complex with compound 19 Deposited 2022-10-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 7–1052（1046 aa）
Not recorded X3W 1-{(4S,11aM)-2-[(4R)-2-oxo-4-(propan-2-yl)-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-prolinamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.2；291 K；0.1M MES buffer pH 6.2, 16% PEG 20,000, 0.1M KCl
Resolution 2.46 Å R-free 0.242
8EXU Crystal structure of PI3K-alpha in complex with compound 30 Deposited 2022-10-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 7–1052（1046 aa）
Not recorded X3R (2S)-2-cyclopropyl-2-({(4S,11aM)-2-[(4S)-2-oxo-4-(trifluoromethyl)-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}amino)acetamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.2；291 K；0.1M MES buffer pH 6.2, 16% PEG 20,000, 0.1M KCl
Resolution 2.68 Å R-free 0.241
8EXV Crystal structure of PI3K-alpha in complex with compound 32 Deposited 2022-10-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 7–1052（1046 aa）
Not recorded X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.2；291 K；0.1M MES buffer pH 6.2, 16% PEG 20,000, 0.1M KCl
Resolution 2.48 Å R-free 0.258
8GUA Cryo-EM structure of cancer-specific PI3Kalpha mutant E542K in complex with BYL-719 Deposited 2022-09-11 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–1068（1068 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.77 Å
8GUB Cryo-EM structure of cancer-specific PI3Kalpha mutant H1047R in complex with BYL-719 Deposited 2022-09-11 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.73 Å
8GUD Cryo-EM structure of cancer-specific PI3Kalpha mutant E545K in complex with BYL-719 Deposited 2022-09-11 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–1068（1068 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.62 Å
8ILR Cryo-EM structure of PI3Kalpha in complex with compound 16 Deposited 2023-03-04 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded 7TZ N-[(2S)-1-(ethylamino)-1-oxidanylidene-3-[4-(2-quinoxalin-6-ylethynyl)phenyl]propan-2-yl]-2,3-dimethyl-quinoxaline-6-carboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8ILS Cryo-EM structure of PI3Kalpha in complex with compound 17 Deposited 2023-03-04 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded 7U5 N-[(2R)-1-(ethylamino)-1-oxidanylidene-3-[4-(2-quinoxalin-6-ylethynyl)phenyl]propan-2-yl]-2,3-dimethyl-quinoxaline-6-carboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8ILV Cryo-EM structure of PI3Kalpha in complex with compound 18 Deposited 2023-03-04 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded L2V N-[(2R)-1-(ethylamino)-1-oxidanylidene-3-[3-(2-quinoxalin-6-ylethynyl)phenyl]propan-2-yl]-2,3-dimethyl-quinoxaline-6-carboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.19 Å
8OW2 Crystal structure of the p110alpha catalytic subunit from homo sapiens in complex with activator 1938 Deposited 2023-04-26 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded QIH 1-[7-[[2-[[4-(4-ethylpiperazin-1-yl)phenyl]amino]pyridin-4-yl]amino]-2,3-dihydroindol-1-yl]ethanone × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；12.5% (w/v) PEG 4K, 20% (v/v) 1,2,6-hexanetriol, 50 mM Polyamines, 0.1 M MOPSO/bis-tris pH 6.5
Resolution 2.57 Å R-free 0.271
8SBC Co-structure of Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform and brain penetrant inhibitors Deposited 2023-04-03 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：M232K, L233K, W780K, I800M, V850W, F930V ZTV (2M)-7-[(3R)-3-methylmorpholin-4-yl]-5-[(3S)-3-methylmorpholin-4-yl]-2-(pyridin-2-yl)-1H-imidazo[4,5-b]pyridine × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303 K；RESERVOIR SOLUTION : 12%-20% PEG 3350, 0.125M-0.20M KSCN PROTEIN SOLUTION : 20MM TRIS PH 7.2, 200MM NACL, 1% BETAINE, 1% ETHYLENE GLYCOL, 0.02% CHAPS, 5MM DTT, PROTEIN IS 7.4 MG/ML FORMATION METHOD : SOAKING PROTOCOL : SET UP APO XTALS DROPS IN 1:1 RATIO IN 30C, REMARK 280 XTALS GROW OVERNIGHT, THEN ADD 2MM OF STOCK CPD AND INCUBATE FOR A FEW HOURS METHOD : VAPOR DIFFUSION - HANGING DROP TEMPERATURE : 303.0 CRYO PROTOCOL : 20% ETHYLENE GLYCOL PLUS WELL SOLUTION
Resolution 2.30 Å R-free 0.271
8SBJ Co-structure Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform complexed with brain penetrant inhibitors Deposited 2023-04-03 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded ZUO (2M)-7-[(3R)-3-methylmorpholin-4-yl]-5-[(3S)-3-methylmorpholin-4-yl]-2-(1H-pyrazol-3-yl)-3H-imidazo[4,5-b]pyridine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303 K；RESERVOIR SOLUTION : 12%-20% PEG 3350, 0.125M-0.20M KSCN; PROTEIN SOLUTION: 20MM TRIS PH 7.2, 200MM NACL, 1% BETAINE, 1% ETHYLENE GLYCOL, 0.02% CHAPS, 5MM DTT, PROTEIN IS 7.4 MG/ML, FORMATION METHOD : SOAKING, PROTOCOL: SET UP APO XTALS DROPS IN 1:1 RATIO IN 30C, XTALS GROW OVERNIGHT, THEN ADD 2MM OF STOCK CPD AND INCUBATE FOR A FEW HOURS; CRYO PROTOCOL: 20% ETHYLENE GLYCOL PLUS WELL SOLUTION
Resolution 3.10 Å R-free 0.257
8TDU STX-478, a Mutant-Selective, Allosteric Inhibitor bound to PI3Kalpha Deposited 2023-07-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；298 K；0.1 M MES pH 6.8, 500mM NaCl, 8% w/v PEG 3350
Resolution 3.11 Å R-free 0.267
8TDU STX-478, a Mutant-Selective, Allosteric Inhibitor bound to PI3Kalpha Deposited 2023-07-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–1068（1068 aa）
Not recorded X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；298 K；0.1 M MES pH 6.8, 500mM NaCl, 8% w/v PEG 3350
Resolution 3.11 Å R-free 0.267
8TGD STX-478, a Mutant-Selective, Allosteric Inhibitor bound to H1047R PI3Kalpha Deposited 2023-07-12 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：H1047R EDO 1,2-ETHANEDIOL × 10 X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；293 K；0.5 M NaCl, 0.1 M MES-NaOH pH 6.8, 5% w/v PEG 3350
Resolution 2.93 Å R-free 0.252
8TGD STX-478, a Mutant-Selective, Allosteric Inhibitor bound to H1047R PI3Kalpha Deposited 2023-07-12 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–1068（1068 aa）
Mutation：H1047R EDO 1,2-ETHANEDIOL × 3 X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；293 K；0.5 M NaCl, 0.1 M MES-NaOH pH 6.8, 5% w/v PEG 3350
Resolution 2.93 Å R-free 0.252
8TS7 Human PI3K p85alpha/p110alpha Deposited 2023-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1053（1052 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.71 Å R-free 0.288
8TS8 p85alpha/p110alpha heterodimer H1047R mutant Deposited 2023-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1053（1052 aa）
Mutation：H1047R No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.72 Å R-free 0.265
8TS9 Human PI3K p85alpha/p110alpha H1047R bound to compound 1 Deposited 2023-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1050（1049 aa）
Mutation：H1047R UE9 5-[3-fluoro-5-(trifluoromethyl)benzamido]-N-methyl-6-(2-methylanilino)pyridine-3-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.83 Å R-free 0.252
8TSA Human PI3K p85alpha/p110alpha H1047R bound to compound 2 Deposited 2023-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1050（1049 aa）
Mutation：H1047R UIW 5-(3-bromo-5-fluorobenzamido)-N-methyl-6-(2-methylanilino)pyridine-3-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.51 Å R-free 0.276
8TSB Human PI3K p85alpha/p110alpha bound to compound 2 Deposited 2023-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1053（1052 aa）
Not recorded UIW 5-(3-bromo-5-fluorobenzamido)-N-methyl-6-(2-methylanilino)pyridine-3-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 3.53 Å R-free 0.256
8TSC Human PI3K p85alpha/p110alpha H1047R bound to compound 3 Deposited 2023-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1050（1049 aa）
Mutation：H1047R UJC (1S)-7-[3-fluoro-5-(trifluoromethyl)benzamido]-N-methyl-1-(2-methylphenyl)-3-oxo-2,3-dihydro-1H-isoindole-5-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 3.62 Å R-free 0.255
8TSD Human PI3K p85alpha/p110alpha bound to RLY-2608 Deposited 2023-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1053（1052 aa）
Not recorded XUZ N-{(3R,6M)-3-(2-chloro-5-fluorophenyl)-6-[(4S)-5-cyano[1,2,4]triazolo[1,5-a]pyridin-6-yl]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-3-fluoro-5-(trifluoromethyl)benzamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.70 Å R-free 0.277
8TU6 CryoEM structure of PI3Kalpha Deposited 2023-08-15 Different construct Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–1068（1067 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.12 Å
8TWY Structure of p110 alpha bound to (S)-1-(4-((2-(4-(4-(2-amino-4-(difluoromethyl)pyrimidin-5-yl)-6-(3-methylmorpholino)-1,3,5- triazin-2-yl)piperazin-1-yl)-2-oxoethoxy)methyl)piperidin-1-yl)prop-2-en-1-one (compound 9) Deposited 2023-08-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–1048（944 aa）
Not recorded RNX 1-(4-{[2-(4-{(4P)-4-[2-amino-4-(difluoromethyl)pyrimidin-5-yl]-6-[(3S)-3-methylmorpholin-4-yl]-1,3,5-triazin-2-yl}piperazin-1-yl)-2-oxoethoxy]methyl}piperidin-1-yl)prop-2-en-1-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；PEG6000 10-15%, 0.6 M sodium formate, 0.1 M CHES pH 9.5-10.5, 5 mM TCEP
Resolution 2.67 Å R-free 0.261
8V8H PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 4). Deposited 2023-12-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：H1047R YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；0.2 M Sodium acetate, 0.1 M Sodium citrate pH 5.5, 4% w/v PEG 4000.
Resolution 3.58 Å R-free 0.272
8V8H PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 4). Deposited 2023-12-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–1068（1068 aa）
Mutation：H1047R YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；0.2 M Sodium acetate, 0.1 M Sodium citrate pH 5.5, 4% w/v PEG 4000.
Resolution 3.58 Å R-free 0.272
8V8I PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket (compound 5). Deposited 2023-12-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；0.1 M Sodium Malonate pH 5.0, 10% w/v PEG 3350
Resolution 3.20 Å R-free 0.310
8V8I PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket (compound 5). Deposited 2023-12-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–1068（1068 aa）
Not recorded YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；0.1 M Sodium Malonate pH 5.0, 10% w/v PEG 3350
Resolution 3.20 Å R-free 0.310
8V8J PI3Ka H1047R co-crystal structure with inhibitors in two cryptic pockets (compounds 4 and 5). Deposited 2023-12-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；289 K；0.4M Sodium Formate, 0.1 M Sodium Citrate, pH 5.2
Resolution 3.35 Å R-free 0.251
8V8J PI3Ka H1047R co-crystal structure with inhibitors in two cryptic pockets (compounds 4 and 5). Deposited 2023-12-05 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–1068（1068 aa）
Not recorded YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；289 K；0.4M Sodium Formate, 0.1 M Sodium Citrate, pH 5.2
Resolution 3.35 Å R-free 0.251
8V8U PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 12). Deposited 2023-12-06 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：H1047R 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 YQB (3S)-9-[(1R)-1-(2-carboxyanilino)ethyl]-3-cyano-7-methyl-4-oxo-2-(piperidin-1-yl)-3,4-dihydropyrido[1,2-a]pyrimidin-5-ium × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.3-0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.93 Å R-free 0.255
8V8U PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 12). Deposited 2023-12-06 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–1068（1068 aa）
Mutation：H1047R 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 YQB (3S)-9-[(1R)-1-(2-carboxyanilino)ethyl]-3-cyano-7-methyl-4-oxo-2-(piperidin-1-yl)-3,4-dihydropyrido[1,2-a]pyrimidin-5-ium × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.3-0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.93 Å R-free 0.255
8V8V PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 7). Deposited 2023-12-06 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：H1047R YQ2 2-[[(1~{R})-1-(7-methyl-4-oxidanylidene-2-piperidin-1-yl-3~{H}-pyrido[1,2-a]pyrimidin-9-yl)ethyl]amino]benzoic acid × 1 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.61 Å R-free 0.288
8V8V PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 7). Deposited 2023-12-06 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–1068（1068 aa）
Mutation：H1047R YQ2 2-[[(1~{R})-1-(7-methyl-4-oxidanylidene-2-piperidin-1-yl-3~{H}-pyrido[1,2-a]pyrimidin-9-yl)ethyl]amino]benzoic acid × 1 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.61 Å R-free 0.288
8VCL Crystal structure of HLA-A*03:01 in complex with a mutant PIK3CA peptide Deposited 2023-12-14 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Mutation：H2L FMT FORMIC ACID × 4 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277.15 K；12% w/v Polyethylene glycol 3,350, 4% v/v TacsimateTM, pH 6.0
Resolution 2.40 Å R-free 0.230
8W9A CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-7909 binding at an allosteric site Deposited 2023-09-05 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded UEX 6-chloranyl-3-[[(1R)-1-[2-(1,3-dihydropyrrolo[3,4-c]pyridin-2-yl)-3,6-dimethyl-4-oxidanylidene-quinazolin-8-yl]ethyl]amino]pyridine-2-carboxylic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8W9B CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-8557 binding at an allosteric site Deposited 2023-09-05 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded UJ3 1-[(1S)-1-(5-fluoranyl-3-methyl-1-benzofuran-2-yl)-2-methyl-propyl]-3-(1-oxidanylidene-2,3-dihydroisoindol-5-yl)urea × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
9ASF Crystal structure of HLA-A*03:01 in complex with a wild-type PIK3CA peptide analogue (Trp-6 Bta) Deposited 2024-02-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa） Fragment：residues 1046-1054 (Uniprot numbering)
Mutation：W6Bta Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；15% w/v Polyethylene glycol 6,000, 50 mM Potassium chloride; 10 mM Magnesium chloride
Resolution 1.77 Å R-free 0.237
9ASG Crystal structure of HLA-A*03:01 in complex with a mutant PIK3CA peptide analogue (Trp-6 Bta) Deposited 2024-02-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa） Fragment：residues 1046-1054 (Uniprot numbering)
Mutation：H2L, W6Bta Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；15% w/v Polyethylene glycol 3,350, 150mM Cesium chloride
Resolution 2.03 Å R-free 0.238
9B4S Crystal structure of the RRAS2-p110alpha complex Deposited 2024-03-21 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 105–1068（964 aa）
Mutation：W1057A, I1058A, F1059A 5H5 (2S)-2-({2-[1-(propan-2-yl)-1H-1,2,4-triazol-5-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}oxy)propanamide × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.1 M (Bicine/Tris), 0.06 M Divalent mix, 30% (40%v/v PEG MME 500, 20%w/v PEG 20000)
Resolution 3.10 Å R-free 0.272
9B4T Crystal structure of the MRAS-p110alpha complex Deposited 2024-03-21 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 105–1068（964 aa）
Mutation：W1057A, I1058A, F1059A 5H5 (2S)-2-({2-[1-(propan-2-yl)-1H-1,2,4-triazol-5-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}oxy)propanamide × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.1 M (Tris/Bicine) 1.2%w/v cholic acid mix, 50%v/v (40%v/v ethylene glycol, 20%w/v PEG 8000)
Resolution 2.75 Å R-free 0.262
9B4U Crystal structure of p110alpha-RBD covalently bound to a breaker compound BBO-10203 via Cys242 Deposited 2024-03-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric
Chain A 157–300（144 aa） Fragment：Ras Binding Domain (RBD)
Chain B 157–300（144 aa） Fragment：Ras Binding Domain (RBD)
Not recorded A1AIR 1-[(4R,8R)-2-[(4M,7P)-7-[2,4-difluoro-6-(2-methoxyethoxy)phenyl]-4-(1-methyl-1H-indazol-5-yl)thieno[3,2-c]pyridin-6-yl]-4-methyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl]propan-1-one × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.9；277 K；0.1 M Tris, 0.2 M CaCl2, 24 % PEG 6000
Resolution 2.21 Å R-free 0.269
9C15 Crystal structure of the KRAS-p110alpha complex with molecular glue D927 Deposited 2024-05-28 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 105–1068（964 aa）
Mutation：W1057A, I1058A, F1059A A1ATF 2-[3-fluoro-4-({(7P)-7-[2-(2-methoxyethoxy)phenyl]thieno[2,3-d]pyridazin-4-yl}amino)phenyl]acetamide × 1 MG MAGNESIUM ION × 2 IPA ISOPROPYL ALCOHOL × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；0.1 M Tris, 0.1 M NaCl, 15% PEG 20K
Resolution 2.81 Å R-free 0.234
9CMK Crystal structure of p110alpha-RAS binding domain (RBD) in complex with molecular glue D927 Deposited 2024-07-15 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 160–300（141 aa）
Not recorded A1ATF 2-[3-fluoro-4-({(7P)-7-[2-(2-methoxyethoxy)phenyl]thieno[2,3-d]pyridazin-4-yl}amino)phenyl]acetamide × 1 MG MAGNESIUM ION × 3 MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.4；277 K；0.1 M (MES/Imidazole), 0.06 M Divalent mix, 40 %v/v (MPD, PEG 1000, PEG 3350)
Resolution 1.75 Å R-free 0.221
9CMK Crystal structure of p110alpha-RAS binding domain (RBD) in complex with molecular glue D927 Deposited 2024-07-15 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 160–300（141 aa）
Not recorded A1ATF 2-[3-fluoro-4-({(7P)-7-[2-(2-methoxyethoxy)phenyl]thieno[2,3-d]pyridazin-4-yl}amino)phenyl]acetamide × 1 MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.4；277 K；0.1 M (MES/Imidazole), 0.06 M Divalent mix, 40 %v/v (MPD, PEG 1000, PEG 3350)
Resolution 1.75 Å R-free 0.221
9CML Crystal structure of p110alpha-RAS binding domain (RBD) in complex with molecular glue D223 Deposited 2024-07-15 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 160–300（141 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；277 K；0.1 M (TRIS/Bicine), 0.1 M amino acid mix, 50 %v/v (MPD, PEG 1000, PEG 3350)
Resolution 2.01 Å R-free 0.278
9CML Crystal structure of p110alpha-RAS binding domain (RBD) in complex with molecular glue D223 Deposited 2024-07-15 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 160–300（141 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；277 K；0.1 M (TRIS/Bicine), 0.1 M amino acid mix, 50 %v/v (MPD, PEG 1000, PEG 3350)
Resolution 2.01 Å R-free 0.278
9CMV Crystal structure of the KRAS-p110alpha complex in the presence of molecular glue D223 Deposited 2024-07-15 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 105–1068（964 aa）
Mutation：W1057A/I1058A/F1059A A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 GOL GLYCEROL × 2 MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；0.1 M Tris, 0.1 M NaCl, 10 % PEG 20K
Resolution 3.01 Å R-free 0.268
9CWY Crystal structure of HLA-A*03:02 in complex with a wild-type PIK3CA peptide Deposited 2024-07-30 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Not recorded ACT ACETATE ION × 2 FMT FORMIC ACID × 7 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；277.15 K；12% w/v polyethylene glycol 3,350, 4% v/v Tacsimate (Hampton Research)
Resolution 1.98 Å R-free 0.224
9CWZ Crystal structure of HLA-A*03:02 in complex with a mutant PIK3CA peptide Deposited 2024-07-30 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Mutation：H2L GOL GLYCEROL × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.1；277.15 K；20% w/v polyethylene glycol 3,350, 200 mM lithium nitrate
Resolution 2.05 Å R-free 0.238
9CX0 Crystal structure of HLA-A*03:01 E152V mutant in complex with a mutant PIK3CA peptide Deposited 2024-07-30 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Mutation：H2L GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277.15 K；12% w/v polyethylene glycol 3,350, 100 mM sodium malonate
Resolution 1.92 Å R-free 0.242
9CX1 Crystal structure of HLA-A*03:01 L156Q mutant in complex with a mutant PIK3CA peptide Deposited 2024-07-30 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Mutation：H2L GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277.15 K；20% w/v polyethylene glycol 3,350, 200 mM sodium malonate
Resolution 2.00 Å R-free 0.221
9CX2 Crystal structure of HLA-A*03:01 L156Q mutant in complex with a mutant PIK3CA peptide Deposited 2024-07-30 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1046–1054（9 aa）
Mutation：H2L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277.15 K；10% w/v polyethylene glycol 20,000, 100 mM MES
Resolution 2.30 Å R-free 0.219
9E8M Covalent inhibitor VVD-442 bound to the RAS binding domain (RBD) of PI3Ka Deposited 2024-11-05 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 157–300（144 aa） Fragment：Ras Binding Domain (RBD)
Not recorded A1BF9 1-[(1P)-5-bromo-2'-chloro[1,1'-biphenyl]-2-sulfonyl]-4-fluoro-N-[(2S)-4-(methanesulfonyl)butan-2-yl]piperidine-4-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；277.15 K；4.8 M ammonium acetate, 0.1 M MES pH 5.5
Resolution 2.83 Å R-free 0.268
9E8M Covalent inhibitor VVD-442 bound to the RAS binding domain (RBD) of PI3Ka Deposited 2024-11-05 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 157–300（144 aa） Fragment：Ras Binding Domain (RBD)
Not recorded A1BF9 1-[(1P)-5-bromo-2'-chloro[1,1'-biphenyl]-2-sulfonyl]-4-fluoro-N-[(2S)-4-(methanesulfonyl)butan-2-yl]piperidine-4-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；277.15 K；4.8 M ammonium acetate, 0.1 M MES pH 5.5
Resolution 2.83 Å R-free 0.268
9LWQ Cryo-EM structure of PI3Kalpha in complex with compound UCL-TRO-1938 Deposited 2025-02-16 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded QIH 1-[7-[[2-[[4-(4-ethylpiperazin-1-yl)phenyl]amino]pyridin-4-yl]amino]-2,3-dihydroindol-1-yl]ethanone × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.17 Å
9LWR Cryo-EM structure of PI3Kalpha H1047R in complex with compound UCL-TRO-1938 Deposited 2025-02-16 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Mutation：H1047R No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9LWS Cryo-EM structure of PI3Kalpha H1047R in complex with compound UCL-TRO-1938 Deposited 2025-02-16 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9NI3 Cryo-EM structure of the PI3K alpha/KRas complex on POPC/POPS/PIP2 nanodiscs Deposited 2025-02-25 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded PBU (2R)-3-{[(R)-HYDROXY{[(1R,2R,3S,4R,5R,6S)-2,3,6-TRIHYDROXY-4,5-BIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}PHOSPHORYL]OXY}PROPANE-1 ,2-DIYL DIBUTANOATE × 1 A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
9NI4 Cryo-EM structure of the PI3K alpha/KRas/HER3 phosphopeptide complex dimer on POPC/POPS/PIP2 nanodiscs Deposited 2025-02-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 1–1068（1068 aa）
Chain B 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 2 MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.61 Å
9NI5 Cryo-EM structure of the PI3K alpha/KRas/HER3 phosphopeptide complex on POPC/POPS/PIP2 nanodiscs Deposited 2025-02-25 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.89 Å
9NI6 Cryo-EM structure of the Class 1 PI3K alpha/KRas complex on POPC/POPS nanodiscs Deposited 2025-02-25 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.01 Å
9NI7 Cryo-EM structure of the Class 3 PI3K alpha/KRas complex on POPC/POPS nanodiscs Deposited 2025-02-25 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
9NI8 Cryo-EM structure of the Class 2 PI3K alpha/KRas complex on POPC/POPS nanodiscs Deposited 2025-02-25 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
9NID Cryo-EM structure of the PI3K alpha/KRas/HER3 phosphopeptide complex dimer on POPC/POPS/PIP2 nanodiscs low-pass filtered to 5 angstroms Deposited 2025-02-26 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 1–1068（1068 aa）
Chain B 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 2 MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.00 Å
9NIE Cryo-EM structure of the PI3K alpha/KRas/HER3 phosphopeptide complex on POPC/POPS/PIP2 nanodiscs low-pass filtered to 5 angstroms Deposited 2025-02-26 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.00 Å
9NIF Cryo-EM structure of the PI3K alpha/KRas complex on POPC/POPS/PIP2 nanodiscs low-pass filtered to 5 angstroms Deposited 2025-02-26 Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–1068（1068 aa）
Not recorded PBU (2R)-3-{[(R)-HYDROXY{[(1R,2R,3S,4R,5R,6S)-2,3,6-TRIHYDROXY-4,5-BIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}PHOSPHORYL]OXY}PROPANE-1 ,2-DIYL DIBUTANOATE × 1 A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.00 Å
9NLC Cryo-EM structure of the Class 1 PI3K alpha/KRas complex on POPC/POPS nanodiscs low-pass filtered to 10 angstroms Deposited 2025-03-03 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–1068（1068 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 10.00 Å

134 other PDB entries and 145 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PK3CA_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 29–1096； UniProt 1–1068

Phosphatidylinositol 3-kinase regulatory subunit alpha

Homo sapiens

UniProt P27986

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count Chain B； UniProt 322–600 Fragment：residues 322-600 Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform × 1 （P42336） 71L 4,6-dimethylpyridin-2-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate Resolution 3.52 Å R-free 0.277

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 5SX9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1A0N NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE COMPLEXED WITH THE SYNTHETIC PEPTIDE P2L CORRESPONDING TO RESIDUES 91-104 OF THE P85 SUBUNIT OF PI3-KINASE, FAMILY OF 25 STRUCTURES Deposited 1997-12-05 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 91–104（14 aa） Fragment：P85 SUBUNIT OF PI3-KINASE, RESIDUES 91 - 104
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1AZG NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE KINASE COMPLEXED WITH THE SYNTHETIC PEPTIDE P2L CORRESPONDING TO RESIDUES 91-104 OF THE P85 SUBUNIT OF PI3-KINASE, MINIMIZED AVERAGE (PROBMAP) STRUCTURE Deposited 1997-11-18 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 91–104（14 aa） Fragment：P85 SUBUNIT OF PI3-KINASE, RESIDUES 91 - 104
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1H9O PHOSPHATIDYLINOSITOL 3-KINASE, P85-ALPHA SUBUNIT: C-TERMINAL SH2 DOMAIN COMPLEXED WITH A TYR751 PHOSPHOPEPTIDE FROM THE PDGF RECEPTOR, CRYSTAL STRUCTURE AT 1.79 A Deposited 2001-03-14 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 617–724（108 aa） Fragment：C-TERMINAL SH2 DOMAIN, P85-ALPHA REGULATORY SUBUNIT RESIDUES 617 - 724
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；40MG/ML PROTEIN IN 20 MM PHOSPHATE PH6.2 + PEG8000, RESERVOIR WITH SAME PHOSPHATE + PEG8000 + 250MM NACL, pH 7.00
Resolution 1.79 Å R-free 0.219
1PBW STRUCTURE OF BCR-HOMOLOGY (BH) DOMAIN Deposited 1996-10-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 105–319（215 aa） Fragment：P85 ALPHA SUBUNIT BCR-HOMOLOGY DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.235
1PBW STRUCTURE OF BCR-HOMOLOGY (BH) DOMAIN Deposited 1996-10-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 105–319（215 aa） Fragment：P85 ALPHA SUBUNIT BCR-HOMOLOGY DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.235
1PHT PHOSPHATIDYLINOSITOL 3-KINASE P85-ALPHA SUBUNIT SH3 DOMAIN, RESIDUES 1-85 Deposited 1995-08-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–85（85 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.258
1PIC PHOSPHATIDYLINOSITOL 3-KINASE, P85-ALPHA SUBUNIT: C-TERMINAL SH2 DOMAIN COMPLEXED WITH A TYR751 PHOSPHOPEPTIDE FROM THE PDGF RECEPTOR, NMR, MINIMIZED MEAN STRUCTURE Deposited 1997-06-23 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 617–724（108 aa） Fragment：C-TERMINAL SH2 DOMAIN, RESIDUES 617 - 724 OF P85-ALPHA REGULATORY SUBUNIT
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.8；296 K
Resolution not provided
1PKS STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY Deposited 1994-03-07 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–79（79 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1PKT STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY Deposited 1994-03-07 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–79（79 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
2IUG Crystal structure of the PI3-kinase p85 N-terminal SH2 domain Deposited 2006-06-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 321–440（120 aa） Fragment：N-TERMINAL SH2 DOMAIN, RESIDUES 321-440
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 20% PEG4000, 50MM MGCL2, 50MM TRIS PH7.5
Resolution 1.89 Å R-free 0.289
2IUH Crystal structure of the PI3-kinase p85 N-terminal SH2 domain in complex with c-Kit phosphotyrosyl peptide Deposited 2006-06-03 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 321–440（120 aa） Fragment：N-TERMINAL SH2 DOMAIN, RESIDUES 321-440
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 0.1M NA CITRATE PH5.6, 0.2M NA/K TARTRATE, 2M AMMONIUM SULFATE
Resolution 2.00 Å R-free 0.245
2IUI Crystal structure of the PI3-kinase p85 N-terminal SH2 domain in complex with PDGFR phosphotyrosyl peptide Deposited 2006-06-03 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 321–440（120 aa） Fragment：N-TERMINAL SH2 DOMAIN, RESIDUES 321-440
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 0.1M SODIUM ACETATE PH 4.6, 0.2M AMMONIUM ACETATE, 30% PEG4000
Resolution 2.40 Å R-free 0.248
2IUI Crystal structure of the PI3-kinase p85 N-terminal SH2 domain in complex with PDGFR phosphotyrosyl peptide Deposited 2006-06-03 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 321–440（120 aa） Fragment：N-TERMINAL SH2 DOMAIN, RESIDUES 321-440
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 0.1M SODIUM ACETATE PH 4.6, 0.2M AMMONIUM ACETATE, 30% PEG4000
Resolution 2.40 Å R-free 0.248
2RD0 Structure of a human p110alpha/p85alpha complex Deposited 2007-09-20 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：UNP residues 322-600
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；293 K；Sodium Formate, pH 7.0, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.323
2V1Y Structure of a phosphoinositide 3-kinase alpha adaptor-binding domain (ABD) in a complex with the iSH2 domain from p85 alpha Deposited 2007-05-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 431–600（170 aa） Fragment：INTER-SH2 DOMAIN (ISH2), RESIDUES 431-600
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；0.2M MG(NO3)2, 20% PEG3350 (HAMPTON), 5MM TRIS-HCL PH 7.0 (25C), 5% GLYCEROL AND 5MM FRESH DTT
Resolution 2.40 Å R-free 0.292
3HHM Crystal structure of p110alpha H1047R mutant in complex with niSH2 of p85alpha and the drug wortmannin Deposited 2009-05-15 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–694（373 aa） Fragment：UNP residues 322-694
Mutation：D330N KWT (1S,6BR,9AS,11R,11BR)-9A,11B-DIMETHYL-1-[(METHYLOXY)METHYL]-3,6,9-TRIOXO-1,6,6B,7,8,9,9A,10,11,11B-DECAHYDRO-3H-FURO[4, 3,2-DE]INDENO[4,5-H][2]BENZOPYRAN-11-YL ACETATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；Na formate, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.80 Å R-free 0.307
3HIZ Crystal structure of p110alpha H1047R mutant in complex with niSH2 of p85alpha Deposited 2009-05-20 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–694（373 aa） Fragment：UNP residues 322-694
Mutation：D330N No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；Na formate, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.30 Å R-free 0.333
3I5R PI3K SH3 domain in complex with a peptide ligand Deposited 2009-07-06 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–83（83 aa） Fragment：SH3 domain (UNP residues 1-83)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 10.5；293 K；100mM CAPS, 2M ammonium sulfate, 0.2M lithium sulfate, pH 10.5, VAPOR DIFFUSION, temperature 293.0K
Resolution 1.70 Å R-free 0.223
3I5S Crystal structure of PI3K SH3 Deposited 2009-07-06 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–83（83 aa） Fragment：SH3 domain (UNP residues 1-83)
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.5；293 K；100mM Na-citrate, 0.5M ammonium sulfate, 1M lithium sulfate, pH 5.5, VAPOR DIFFUSION, temperature 293.0K
Resolution 3.00 Å R-free 0.299
3I5S Crystal structure of PI3K SH3 Deposited 2009-07-06 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 1–83（83 aa） Fragment：SH3 domain (UNP residues 1-83)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.5；293 K；100mM Na-citrate, 0.5M ammonium sulfate, 1M lithium sulfate, pH 5.5, VAPOR DIFFUSION, temperature 293.0K
Resolution 3.00 Å R-free 0.299
3I5S Crystal structure of PI3K SH3 Deposited 2009-07-06 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain C 1–83（83 aa） Fragment：SH3 domain (UNP residues 1-83)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.5；293 K；100mM Na-citrate, 0.5M ammonium sulfate, 1M lithium sulfate, pH 5.5, VAPOR DIFFUSION, temperature 293.0K
Resolution 3.00 Å R-free 0.299
3I5S Crystal structure of PI3K SH3 Deposited 2009-07-06 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 1–83（83 aa） Fragment：SH3 domain (UNP residues 1-83)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.5；293 K；100mM Na-citrate, 0.5M ammonium sulfate, 1M lithium sulfate, pH 5.5, VAPOR DIFFUSION, temperature 293.0K
Resolution 3.00 Å R-free 0.299
4A55 Crystal structure of p110alpha in complex with iSH2 of p85alpha and the inhibitor PIK-108 Deposited 2011-10-24 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：NISH2, RESIDUES 322-600
Not recorded P08 PIK-108 × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.4；0.1 M NAK PHOSPHATE PH 6.4, 0.14 M NH4H2SO4, 0.1 M NA FORMATE, 0.42 M NA2SO4, 15% ETHYLENE GLYCOL
Resolution 3.50 Å R-free 0.228
4JPS Co-crystal Structures of the Lipid Kinase PI3K alpha with Pan and Isoform Selective Inhibitors Deposited 2013-03-19 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 307–593（287 aa）
Not recorded SCN THIOCYANATE ION × 1 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；303 K；12% PEG 3350, 120MM KSCN, 6uL protein to 4uL well with streak seeding at 18C , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 303K
Resolution 2.20 Å R-free 0.228
4L1B Crystal Structure of p110alpha complexed with niSH2 of p85alpha Deposited 2013-06-03 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：niSH2 of p85alpha, UNP residues 318-615
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.15 M Lithium sulfate, 0.1 M Tris PH 8.5, 30%(W/V) PEG 1000MME, vapor diffusion, hanging drop, temperature 291K
Resolution 2.59 Å R-free 0.274
4L23 Crystal Structure of p110alpha complexed with niSH2 of p85alpha and PI-103 Deposited 2013-06-04 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：niSH2 of p85alpha, UNP residues 318-615
Not recorded X6K 3-(4-MORPHOLIN-4-YLPYRIDO[3',2':4,5]FURO[3,2-D]PYRIMIDIN-2-YL)PHENOL × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.15 M Lithium sulfate, 0.1 M Tris PH 8.5, 30%(W/V) PEG 1000MME, vapor diffusion, hanging drop, temperature 291K
Resolution 2.50 Å R-free 0.273
4L2Y Crystal Structure of p110alpha complexed with niSH2 of p85alpha and compound 9d Deposited 2013-06-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：niSH2 of p85alpha, UNP residues 318-615
Not recorded XXK 3-amino-5-[4-(morpholin-4-yl)pyrido[3',2':4,5]furo[3,2-d]pyrimidin-2-yl]phenol × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.15 M Lithium sulfate, 0.1 M Tris PH 8.5, 30%(W/V) PEG 1000MME, vapor diffusion, hanging drop, temperature 291K
Resolution 2.80 Å R-free 0.271
4OVU Crystal Structure of p110alpha in complex with niSH2 of p85alpha Deposited 2014-01-14 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：UNP residues 322-600
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；NaFormate
Resolution 2.96 Å R-free 0.272
4OVV Crystal Structure of PI3Kalpha in complex with diC4-PIP2 Deposited 2014-01-14 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：UNP residues 322-600
Not recorded PBU (2R)-3-{[(R)-HYDROXY{[(1R,2R,3S,4R,5R,6S)-2,3,6-TRIHYDROXY-4,5-BIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}PHOSPHORYL]OXY}PROPANE-1 ,2-DIYL DIBUTANOATE × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；298 K；NaFormate
Resolution 3.50 Å R-free 0.339
4WAF Crystal Structure of a novel tetrahydropyrazolo[1,5-a]pyrazine in an engineered PI3K alpha Deposited 2014-08-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 2–317（316 aa） Fragment：UNP residues 2-317
Mutation：T12Y 3K6 N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3-b]pyridin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-3-yl]benzenesulfonamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；303.15 K；12% PEG 3350, 120mM potassium thiocyanate
Resolution 2.39 Å R-free 0.247
4YKN Pi3K alpha lipid kinase with Active Site Inhibitor Deposited 2015-03-04 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric
Chain A 318–615（298 aa） Fragment：UNP P27986 residues 318-615, LINKER (GSPGISGGGGG), P42336 residues 2-1068
Not recorded 4EL 3-(6-methoxypyridin-3-yl)-5-[({4-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfamoyl]phenyl}amino)methyl]benzoic acid × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；ethylenene glycol, PIP2
Resolution 2.90 Å R-free 0.247
4ZOP Co-crystal Structure of Lipid Kinase PI3K alpha with a selective phosphatidylinositol-3 kinase alpha inhibitor Deposited 2015-05-06 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–290（290 aa）
Not recorded 4Q2 (2S,3R)-N~1~-(8-tert-butyl-4,5-dihydro[1,3]thiazolo[4,5-h]quinazolin-2-yl)-3-methylpyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；303 K；12% PEG 3350, 120MM KSCN, 6UL PROTEIN TO 4UL WELL WITH STREAK SEEDING AT 18C , PH 7.5, VAPOR DIFFUSION, HANGING DROP
Resolution 2.62 Å R-free 0.258
5AUL PI3K p85 C-terminal SH2 domain/CD28-derived peptide complex Deposited 2015-04-28 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 622–728（107 aa） Fragment：UNP residues 614-720
Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；100 mM Sodium Acetate trihydrate, 200 mM Ammonium Acetate, 30% PEG4000
Resolution 1.10 Å R-free 0.160
5FI4 Discovery of imidazo[1,2-a]-pyridine inhibitors of pan-PI3 kinases that are efficacious in a mouse xenograft model Deposited 2015-12-22 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 2–317（316 aa） Fragment：UNP residues 2-317
Not recorded GOL GLYCEROL × 1 5XV ~{N}-[6-[5-azanyl-6-[(2~{S})-1,1,1-tris(fluoranyl)propan-2-yl]oxy-pyrazin-2-yl]imidazo[1,2-a]pyridin-2-yl]ethanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；303.15 K；12.5% PEG 3350, 125 mM KSCN Drops were 5uL protein: 3uL well solutions and streak seeded.
Resolution 2.50 Å R-free 0.245
5GJI PI3K p85 N-terminal SH2 domain/CD28-derived peptide complex Deposited 2016-06-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 325–430（106 aa） Fragment：UNP residues 325-430
Mutation：D330N SO4 SULFATE ION × 3 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；100mM Sodium acetate trihydrate, 30% PEG MME 2000, 200mM Ammonium sulfate
Resolution 0.90 Å R-free 0.145
5ITD Crystal structure of PI3K alpha with PI3K delta inhibitor Deposited 2016-03-16 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 2–317（316 aa） Fragment：UNP residues 2-317
Not recorded 6CY 5-{4-[3-(4-acetylpiperazine-1-carbonyl)phenyl]quinazolin-6-yl}-2-methoxypyridine-3-carbonitrile × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 uL of protein was mixed with 5 uL of well solution containing 12% PEG 3350 and 120 mM potassium thiocyanate
Resolution 3.02 Å R-free 0.241
5M6U HUMAN PI3KDELTA IN COMPLEX WITH LASW1579 Deposited 2016-10-26 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–724（724 aa） Fragment：UNP residues 431-599
Not recorded 7KA 4-azanyl-6-[[(1~{S})-1-(4-oxidanylidene-3-phenyl-pyrrolo[2,1-f][1,2,4]triazin-2-yl)ethyl]amino]pyrimidine-5-carbonitrile × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；NULL
Resolution 2.85 Å R-free 0.309
5SW8 Crystal structure of PI3Kalpha in complex with fragments 7 and 11 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 70S 2H-indazol-5-amine × 1 FB1 2-CHLOROBENZENESULFONAMIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.30 Å R-free 0.298
5SWG Crystal Structure of PI3Kalpha in complex with fragments 5 and 21 Deposited 2016-08-08 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded AX7 1H-benzimidazol-2-amine × 1 CAQ CATECHOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.11 Å R-free 0.262
5SWO Crystal Structure of PI3Kalpha in complex with fragments 4 and 19 Deposited 2016-08-08 Different construct Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded CL CHLORIDE ION × 1 70T 2-methyl-5-nitro-1H-indole × 1 2ZV 4-methyl-3-nitropyridin-2-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.50 Å R-free 0.274
5SWP Crystal Structure of PI3Kalpha in complex with fragments 6 and 24 Deposited 2016-08-08 Different construct Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded 70W tert-butyl 4-aminopiperidine-1-carboxylate × 2 70V 2-methylcyclohexane-1,3-dione × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.41 Å R-free 0.296
5SWR Crystal Structure of PI3Kalpha in complex with fragments 20 and 26 Deposited 2016-08-08 Different construct Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded 718 6-hydroxy-3,4-dihydronaphthalen-1(2H)-one × 1 CL CHLORIDE ION × 2 SAL 2-HYDROXYBENZOIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.31 Å R-free 0.273
5SWT Crystal Structure of PI3Kalpha in complex with fragments 17 and 27 Deposited 2016-08-08 Different construct Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded 71A pyridin-3-ol × 1 71B 3-fluoro-4-methoxyaniline × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.49 Å R-free 0.285
5SX8 Crystal Structure of PI3Kalpha in complex with fragments 12 and 15 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded 71M 6-methylpyridin-2-amine × 2 LUZ pteridine-2,4(1H,3H)-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.47 Å R-free 0.276
5SXA Crystal Structure of PI3Kalpha in complex with fragment 10 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded 71N 2-(trifluoromethyl)-1H-benzimidazol-5-amine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.35 Å R-free 0.275
5SXB Crystal Structure of PI3Kalpha in complex with fragment 23 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded SOA ISATOIC ANHYDRIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.30 Å R-free 0.278
5SXC Crystal Structure of PI3Kalpha in complex with fragment 8 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded URF 5-FLUOROURACIL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.55 Å R-free 0.268
5SXD Crystal Structure of PI3Kalpha in complex with fragment 22 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded 71F 2-methoxybenzoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.50 Å R-free 0.276
5SXE Crystal Structure of PI3Kalpha in complex with fragments 19 and 28 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded 71G 3-aminobenzonitrile × 1 ES3 4-bromo-1H-imidazole × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.51 Å R-free 0.271
5SXF Crystal Structure of PI3Kalpha in complex with fragment 9 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded HPP HYDROXYPHENYL PROPIONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.46 Å R-free 0.267
5SXI Crystal Structure of PI3Kalpha in complex with fragment 13 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded 71J trans-cyclohexane-1,4-diol × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.40 Å R-free 0.279
5SXJ Crystal Structure of PI3Kalpha in complex with fragment 29 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded BHO BENZHYDROXAMIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.42 Å R-free 0.279
5SXK Crystal Structure of PI3Kalpha in complex with fragment 18 Deposited 2016-08-09 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa） Fragment：residues 322-600
Not recorded 71K 2-methylbenzene-1,3-diamine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；NaFormate
Resolution 3.55 Å R-free 0.278
5UBT CRYSTAL STRUCTURE OF PI3K DELTA IN COMPLEX WITH A 7-(3-(PIPERAZIN-1-YL)PHENYL)PYRROLO[2,1-F][1,2,4] TRIAZIN-4-AMINE DERIVIATINE Deposited 2016-12-21 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 432–599（168 aa）
Not recorded 85S 1-[4-(3-{4-amino-5-[1-(oxan-4-yl)-1H-pyrazol-5-yl]pyrrolo[2,1-f][1,2,4]triazin-7-yl}phenyl)piperazin-1-yl]ethan-1-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；NULL
Resolution 2.83 Å R-free 0.268
5UK8 The co-structure of (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-3-methylmorpholine and a rationally designed PI3K-alpha mutant that mimics ATR Deposited 2017-01-20 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–293（293 aa）
Mutation：T6Y 8DV (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-3-methylmorpholine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 UL OF PROTEIN WAS MIXED WITH 5 UL OF WELL SOLUTION CONTAINING 12% PEG 3350 AND 120 MM POTASSIUM THIOCYANATE, PH 7.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 303.15K
Resolution 2.50 Å R-free 0.240
5UKJ The co-structure of N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3- b]pyridin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5- a]pyrazin-3-yl]benzenesulfonamide and a rationally designed PI3K-alpha mutant that mimics ATR Deposited 2017-01-23 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–293（293 aa）
Not recorded 3K6 N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3-b]pyridin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-3-yl]benzenesulfonamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 UL OF PROTEIN WAS MIXED WITH 5 UL OF WELL SOLUTION CONTAINING 12% PEG 3350 AND 120 MM POTASSIUM THIOCYANATE, PH 7.2, VAPOR DIFFUSION, HANGING DROP,
Resolution 2.80 Å R-free 0.252
5UL1 The co-structure of 3-amino-6-(4-((1-(dimethylamino)propan-2-yl)sulfonyl)phenyl)-N-phenylpyrazine-2-carboxamide and a rationally designed PI3K-alpha mutant that mimics ATR Deposited 2017-01-23 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–293（293 aa）
Not recorded 8DY 3-amino-6-(4-{[(2S)-1-(dimethylamino)propan-2-yl]sulfonyl}phenyl)-N-phenylpyrazine-2-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303.15 K；3 UL OF PROTEIN WAS MIXED WITH 5 UL OF WELL SOLUTION CONTAINING 12% PEG 3350 AND 120 MM POTASSIUM THIOCYANATE, PH 7.2, VAPOR DIFFUSION, HANGING DROP
Resolution 3.00 Å R-free 0.260
5VLR CRYSTAL STRUCTURE OF PI3K DELTA IN COMPLEX WITH A TRIFLUORO-ETHYL-PYRAZOL-PYROLOTRIAZINE INHIBITOR Deposited 2017-04-26 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 431–600（170 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；300 K；NULL, VAPOR DIFFUSION, TEMPERATURE 293K
Resolution 2.80 Å R-free 0.279
5VLR CRYSTAL STRUCTURE OF PI3K DELTA IN COMPLEX WITH A TRIFLUORO-ETHYL-PYRAZOL-PYROLOTRIAZINE INHIBITOR Deposited 2017-04-26 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 431–600（170 aa）
Not recorded 9EM 4-acetyl-1-(3-{4-amino-5-[1-(2,2,2-trifluoroethyl)-1H-pyrazol-5-yl]pyrrolo[2,1-f][1,2,4]triazin-7-yl}phenyl)-3,3-dimethylpiperazin-2-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；300 K；NULL, VAPOR DIFFUSION, TEMPERATURE 293K
Resolution 2.80 Å R-free 0.279
5XGH Crystal structure of PI3K complex with an inhibitor Deposited 2017-04-13 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–598（277 aa） Fragment：UNP residues 322-598
Not recorded 84U 3-[(4-fluorophenyl)methylamino]-5-(4-morpholin-4-ylthieno[3,2-d]pyrimidin-2-yl)phenol × 1 GOL GLYCEROL × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0.15M Lithium sulfate, 0.1M Tris-HCl pH 8.5, 28%(W/V) PEG2000MME
Resolution 2.97 Å R-free 0.280
5XGI Crystal structure of PI3K complex with an inhibitor Deposited 2017-04-13 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–598（277 aa） Fragment：UNP residues 322-598
Not recorded 84R 3-azanyl-5-(4-morpholin-4-ylthieno[3,2-d]pyrimidin-2-yl)phenol × 1 P6G HEXAETHYLENE GLYCOL × 1 SO4 SULFATE ION × 3 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0.15M Lithium sulfate, 0.1M Tris-HCl pH 8.5, 28%(W/V) PEG2000MME
Resolution 2.56 Å R-free 0.290
5XGJ Crystal structure of PI3K complex with an inhibitor Deposited 2017-04-13 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–599（278 aa） Fragment：UNP residues 322-598
Not recorded 84X 3-(4-morpholin-4-ylfuro[3,2-d]pyrimidin-2-yl)-5-[(phenylmethyl)amino]phenol × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0.15M Lithium sulfate, 0.1M Tris-HCl pH 8.5, 28%(W/V) PEG2000MME
Resolution 2.97 Å R-free 0.279
6NCT Structure of p110alpha/niSH2 - vector data collection Deposited 2018-12-12 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded 144 TRIS-HYDROXYMETHYL-METHYL-AMMONIUM × 2 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.1 M Hepes, 1.4-1.6 M sodium formate
Resolution 3.35 Å R-free 0.271
6PYR Human PI3Kdelta in complex with Compound 2-10 ((3S)-3-benzyl-3-methyl-5-[5-(2-methylpyrimidin-5-yl)pyrazolo[1,5-a]pyrimidin-3-yl]-1,3-dihydro-2H-indol-2-one) Deposited 2019-07-30 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 131–299（169 aa） Fragment：UNP residues 131-299
Not recorded P5J (3S)-3-benzyl-3-methyl-5-[5-(2-methylpyrimidin-5-yl)pyrazolo[1,5-a]pyrimidin-3-yl]-1,3-dihydro-2H-indol-2-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；12-14% PEG6000, 100 mM MES/NaOH, pH 5.75, 5 mM DTT
Resolution 2.21 Å R-free 0.259
6PYU Human PI3Kdelta in complex with Compound 4-2 ((3S)-1'-(cyclopropanecarbonyl)-5-(quinoxalin-6-yl)spiro[indole-3,2'-pyrrolidin]-2(1H)-one) Deposited 2019-07-30 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 131–299（169 aa） Fragment：UNP residues 131-299
Not recorded P5V (3S)-1'-(cyclopropanecarbonyl)-5-(quinoxalin-6-yl)spiro[indole-3,2'-pyrrolidin]-2(1H)-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；not available
Resolution 2.54 Å R-free 0.292
7CIO Molecular interactions of cytoplasmic region of CTLA-4 with SH2 domains of PI3-kinase Deposited 2020-07-08 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 614–720（107 aa）
Mutation：C656S, C659V, C670L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；0.2 M ammonium acetate, 0.1 M sodium acetate trihydrate pH 4.6, 30% PEG 4000
Resolution 1.10 Å R-free 0.179
7LM2 HUMAN PI3KDELTA IN COMPLEX WITH COMPOUND 3C Deposited 2021-02-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 131–299（169 aa）
Not recorded Y5Y cyclopropyl[(3S)-3-{[9-ethyl-8-(2-methylpyrimidin-5-yl)-9H-purin-6-yl]amino}pyrrolidin-1-yl]methanone × 1 EDO 1,2-ETHANEDIOL × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；12-14% PEG6000, 100 MM MES/NAOH, PH 5.75, 5 MM DTT
Resolution 2.79 Å R-free 0.289
7LQ1 HUMAN PI3KDELTA IN COMPLEX WITH COMPOUND 28 Deposited 2021-02-12 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 131–299（169 aa）
Not recorded YA7 N-(5-(6-(2-((2S,6R)-2,6-dimethylmorpholino)pyridin-4-yl)-1-oxoisoindolin-4-yl)-2-methoxypyridin-3-yl)methanesulfonamide × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；16% PEG6000, 0.10 M KCL, 0.10 M MES PH 6.0
Resolution 2.96 Å R-free 0.281
7MYN Cryo-EM Structure of p110alpha in complex with p85alpha Deposited 2021-05-21 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.79 Å
7MYO Cryo-EM structure of p110alpha in complex with p85alpha inhibited by BYL-719 Deposited 2021-05-21 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.92 Å
7PG5 Crystal Structure of PI3Kalpha Deposited 2021-08-13 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 307–593（287 aa）
Not recorded PO4 PHOSPHATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；10% PEG 5K MME (w/v), 160 nM KSCN, 100 mM sodium cacodylate pH 6.5.
Resolution 2.20 Å R-free 0.246
7PG6 Crystal Structure of PI3Kalpha in complex with the inhibitor NVP-BYL719 Deposited 2021-08-13 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 307–593（287 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；10% PEG 5000, 160 mM KSCN and 100 mM sodium cacodylate pH 6.5
Resolution 2.50 Å R-free 0.240
7RNS nSH2 domain of p85-alpha subunit of phosphatidylinositol 3-kinase in complex with an actin peptide with phosphorylated tyrosine 53 Deposited 2021-07-29 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 51–164（114 aa）
Not recorded EDO 1,2-ETHANEDIOL × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；292 K；0.05 M cadmium sulfate hydrate, 0.1 M HEPES, pH 7.5, 1.0 M sodium acetate trihydrate
Resolution 1.14 Å R-free 0.147
7TZ7 PI3K alpha in complex with an inhibitor Deposited 2022-02-15 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–291（291 aa）
Not recorded KVJ (4S,5R)-3-[2'-amino-2-(morpholin-4-yl)-4'-(trifluoromethyl)[4,5'-bipyrimidin]-6-yl]-4-(hydroxymethyl)-5-methyl-1,3-oxazolidin-2-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；303.15 K；0.15M Potassium Thiocyanate, 20% PEG 3350
Resolution 2.41 Å R-free 0.277
8DCP PI 3-kinase alpha with nanobody 3-126 Deposited 2022-06-17 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å
8DCX PI 3-kinase alpha with nanobody 3-159 Deposited 2022-06-17 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8DD4 PI 3-kinase alpha with nanobody 3-142 Deposited 2022-06-17 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8DD8 PI 3-kinase alpha with nanobody 3-142, crosslinked with DSG Deposited 2022-06-17 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8GUB Cryo-EM structure of cancer-specific PI3Kalpha mutant H1047R in complex with BYL-719 Deposited 2022-09-11 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.73 Å
8H36 Cryo-EM Structure of the KBTBD2-CUL3-Rbx1-p85a dimeric complex Deposited 2022-10-08 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain G 1–724（724 aa）
Chain H 1–724（724 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.60 Å
8H37 Cryo-EM Structure of the KBTBD2-CUL3-Rbx1-p85a tetrameric complex Deposited 2022-10-08 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–724（724 aa）
Chain H 1–724（724 aa）
Chain I 1–724（724 aa）
Chain J 1–724（724 aa）
Not recorded ZN ZINC ION × 12 ELECTRON MICROSCOPY
cryo-EM buffer pH 8.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.52 Å
8ILR Cryo-EM structure of PI3Kalpha in complex with compound 16 Deposited 2023-03-04 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded 7TZ N-[(2S)-1-(ethylamino)-1-oxidanylidene-3-[4-(2-quinoxalin-6-ylethynyl)phenyl]propan-2-yl]-2,3-dimethyl-quinoxaline-6-carboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8ILS Cryo-EM structure of PI3Kalpha in complex with compound 17 Deposited 2023-03-04 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded 7U5 N-[(2R)-1-(ethylamino)-1-oxidanylidene-3-[4-(2-quinoxalin-6-ylethynyl)phenyl]propan-2-yl]-2,3-dimethyl-quinoxaline-6-carboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8ILV Cryo-EM structure of PI3Kalpha in complex with compound 18 Deposited 2023-03-04 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded L2V N-[(2R)-1-(ethylamino)-1-oxidanylidene-3-[3-(2-quinoxalin-6-ylethynyl)phenyl]propan-2-yl]-2,3-dimethyl-quinoxaline-6-carboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.19 Å
8SBC Co-structure of Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform and brain penetrant inhibitors Deposited 2023-04-03 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–293（293 aa）
Not recorded ZTV (2M)-7-[(3R)-3-methylmorpholin-4-yl]-5-[(3S)-3-methylmorpholin-4-yl]-2-(pyridin-2-yl)-1H-imidazo[4,5-b]pyridine × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303 K；RESERVOIR SOLUTION : 12%-20% PEG 3350, 0.125M-0.20M KSCN PROTEIN SOLUTION : 20MM TRIS PH 7.2, 200MM NACL, 1% BETAINE, 1% ETHYLENE GLYCOL, 0.02% CHAPS, 5MM DTT, PROTEIN IS 7.4 MG/ML FORMATION METHOD : SOAKING PROTOCOL : SET UP APO XTALS DROPS IN 1:1 RATIO IN 30C, REMARK 280 XTALS GROW OVERNIGHT, THEN ADD 2MM OF STOCK CPD AND INCUBATE FOR A FEW HOURS METHOD : VAPOR DIFFUSION - HANGING DROP TEMPERATURE : 303.0 CRYO PROTOCOL : 20% ETHYLENE GLYCOL PLUS WELL SOLUTION
Resolution 2.30 Å R-free 0.271
8SBJ Co-structure Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform complexed with brain penetrant inhibitors Deposited 2023-04-03 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–293（293 aa）
Not recorded ZUO (2M)-7-[(3R)-3-methylmorpholin-4-yl]-5-[(3S)-3-methylmorpholin-4-yl]-2-(1H-pyrazol-3-yl)-3H-imidazo[4,5-b]pyridine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；303 K；RESERVOIR SOLUTION : 12%-20% PEG 3350, 0.125M-0.20M KSCN; PROTEIN SOLUTION: 20MM TRIS PH 7.2, 200MM NACL, 1% BETAINE, 1% ETHYLENE GLYCOL, 0.02% CHAPS, 5MM DTT, PROTEIN IS 7.4 MG/ML, FORMATION METHOD : SOAKING, PROTOCOL: SET UP APO XTALS DROPS IN 1:1 RATIO IN 30C, XTALS GROW OVERNIGHT, THEN ADD 2MM OF STOCK CPD AND INCUBATE FOR A FEW HOURS; CRYO PROTOCOL: 20% ETHYLENE GLYCOL PLUS WELL SOLUTION
Resolution 3.10 Å R-free 0.257
8TDU STX-478, a Mutant-Selective, Allosteric Inhibitor bound to PI3Kalpha Deposited 2023-07-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 8–293（286 aa）
Not recorded X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；298 K；0.1 M MES pH 6.8, 500mM NaCl, 8% w/v PEG 3350
Resolution 3.11 Å R-free 0.267
8TDU STX-478, a Mutant-Selective, Allosteric Inhibitor bound to PI3Kalpha Deposited 2023-07-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 8–293（286 aa）
Not recorded X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；298 K；0.1 M MES pH 6.8, 500mM NaCl, 8% w/v PEG 3350
Resolution 3.11 Å R-free 0.267
8TGD STX-478, a Mutant-Selective, Allosteric Inhibitor bound to H1047R PI3Kalpha Deposited 2023-07-12 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 8–293（286 aa）
Not recorded EDO 1,2-ETHANEDIOL × 10 X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；293 K；0.5 M NaCl, 0.1 M MES-NaOH pH 6.8, 5% w/v PEG 3350
Resolution 2.93 Å R-free 0.252
8TGD STX-478, a Mutant-Selective, Allosteric Inhibitor bound to H1047R PI3Kalpha Deposited 2023-07-12 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 8–293（286 aa）
Not recorded EDO 1,2-ETHANEDIOL × 3 X3N N~2~-{(4S,11aP)-2-[(4S)-4-(difluoromethyl)-2-oxo-1,3-oxazolidin-3-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}-L-alaninamide × 1 ZWE N-(2-aminopyrimidin-5-yl)-N'-[(1R)-1-(5,7-difluoro-3-methyl-1-benzofuran-2-yl)-2,2,2-trifluoroethyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；293 K；0.5 M NaCl, 0.1 M MES-NaOH pH 6.8, 5% w/v PEG 3350
Resolution 2.93 Å R-free 0.252
8TS7 Human PI3K p85alpha/p110alpha Deposited 2023-08-11 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：residues 318-615
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.71 Å R-free 0.288
8TS8 p85alpha/p110alpha heterodimer H1047R mutant Deposited 2023-08-11 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：residues 318-615
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.72 Å R-free 0.265
8TS9 Human PI3K p85alpha/p110alpha H1047R bound to compound 1 Deposited 2023-08-11 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：residues 318-615
Not recorded UE9 5-[3-fluoro-5-(trifluoromethyl)benzamido]-N-methyl-6-(2-methylanilino)pyridine-3-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.83 Å R-free 0.252
8TSA Human PI3K p85alpha/p110alpha H1047R bound to compound 2 Deposited 2023-08-11 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：residues 318-615
Not recorded UIW 5-(3-bromo-5-fluorobenzamido)-N-methyl-6-(2-methylanilino)pyridine-3-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.51 Å R-free 0.276
8TSB Human PI3K p85alpha/p110alpha bound to compound 2 Deposited 2023-08-11 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：residues 318-615
Not recorded UIW 5-(3-bromo-5-fluorobenzamido)-N-methyl-6-(2-methylanilino)pyridine-3-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 3.53 Å R-free 0.256
8TSC Human PI3K p85alpha/p110alpha H1047R bound to compound 3 Deposited 2023-08-11 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：residues 318-615
Not recorded UJC (1S)-7-[3-fluoro-5-(trifluoromethyl)benzamido]-N-methyl-1-(2-methylphenyl)-3-oxo-2,3-dihydro-1H-isoindole-5-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 3.62 Å R-free 0.255
8TSD Human PI3K p85alpha/p110alpha bound to RLY-2608 Deposited 2023-08-11 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 318–615（298 aa） Fragment：residues 318-615
Not recorded XUZ N-{(3R,6M)-3-(2-chloro-5-fluorophenyl)-6-[(4S)-5-cyano[1,2,4]triazolo[1,5-a]pyridin-6-yl]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-3-fluoro-5-(trifluoromethyl)benzamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M Hepes pH 7.5, 9% PEG-3350
Resolution 2.70 Å R-free 0.277
8TU6 CryoEM structure of PI3Kalpha Deposited 2023-08-15 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–724（724 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.12 Å
8V8H PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 4). Deposited 2023-12-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；0.2 M Sodium acetate, 0.1 M Sodium citrate pH 5.5, 4% w/v PEG 4000.
Resolution 3.58 Å R-free 0.272
8V8H PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 4). Deposited 2023-12-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 322–600（279 aa）
Not recorded YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；0.2 M Sodium acetate, 0.1 M Sodium citrate pH 5.5, 4% w/v PEG 4000.
Resolution 3.58 Å R-free 0.272
8V8I PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket (compound 5). Deposited 2023-12-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；0.1 M Sodium Malonate pH 5.0, 10% w/v PEG 3350
Resolution 3.20 Å R-free 0.310
8V8I PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket (compound 5). Deposited 2023-12-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 322–600（279 aa）
Not recorded YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；0.1 M Sodium Malonate pH 5.0, 10% w/v PEG 3350
Resolution 3.20 Å R-free 0.310
8V8J PI3Ka H1047R co-crystal structure with inhibitors in two cryptic pockets (compounds 4 and 5). Deposited 2023-12-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；289 K；0.4M Sodium Formate, 0.1 M Sodium Citrate, pH 5.2
Resolution 3.35 Å R-free 0.251
8V8J PI3Ka H1047R co-crystal structure with inhibitors in two cryptic pockets (compounds 4 and 5). Deposited 2023-12-05 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 322–600（279 aa）
Not recorded YO4 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid × 1 YOR N-{(3S)-3-(2-methylphenyl)-6-[(oxetan-3-yl)amino]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}-1-benzothiophene-3-carboxamide × 1 YNZ (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；289 K；0.4M Sodium Formate, 0.1 M Sodium Citrate, pH 5.2
Resolution 3.35 Å R-free 0.251
8V8U PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 12). Deposited 2023-12-06 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 YQB (3S)-9-[(1R)-1-(2-carboxyanilino)ethyl]-3-cyano-7-methyl-4-oxo-2-(piperidin-1-yl)-3,4-dihydropyrido[1,2-a]pyrimidin-5-ium × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.3-0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.93 Å R-free 0.255
8V8U PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 12). Deposited 2023-12-06 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 322–600（279 aa）
Not recorded 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 YQB (3S)-9-[(1R)-1-(2-carboxyanilino)ethyl]-3-cyano-7-methyl-4-oxo-2-(piperidin-1-yl)-3,4-dihydropyrido[1,2-a]pyrimidin-5-ium × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.3-0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.93 Å R-free 0.255
8V8V PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 7). Deposited 2023-12-06 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded YQ2 2-[[(1~{R})-1-(7-methyl-4-oxidanylidene-2-piperidin-1-yl-3~{H}-pyrido[1,2-a]pyrimidin-9-yl)ethyl]amino]benzoic acid × 1 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.61 Å R-free 0.288
8V8V PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 7). Deposited 2023-12-06 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 322–600（279 aa）
Not recorded YQ2 2-[[(1~{R})-1-(7-methyl-4-oxidanylidene-2-piperidin-1-yl-3~{H}-pyrido[1,2-a]pyrimidin-9-yl)ethyl]amino]benzoic acid × 1 1LT (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.6 M Sodium Formate, 0.1 M Citrate pH 5.0
Resolution 2.61 Å R-free 0.288
8W9A CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-7909 binding at an allosteric site Deposited 2023-09-05 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–724（724 aa）
Not recorded UEX 6-chloranyl-3-[[(1R)-1-[2-(1,3-dihydropyrrolo[3,4-c]pyridin-2-yl)-3,6-dimethyl-4-oxidanylidene-quinazolin-8-yl]ethyl]amino]pyridine-2-carboxylic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8W9B CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-8557 binding at an allosteric site Deposited 2023-09-05 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 322–600（279 aa）
Not recorded UJ3 1-[(1S)-1-(5-fluoranyl-3-methyl-1-benzofuran-2-yl)-2-methyl-propyl]-3-(1-oxidanylidene-2,3-dihydroisoindol-5-yl)urea × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
9LWQ Cryo-EM structure of PI3Kalpha in complex with compound UCL-TRO-1938 Deposited 2025-02-16 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded QIH 1-[7-[[2-[[4-(4-ethylpiperazin-1-yl)phenyl]amino]pyridin-4-yl]amino]-2,3-dihydroindol-1-yl]ethanone × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.17 Å
9LWR Cryo-EM structure of PI3Kalpha H1047R in complex with compound UCL-TRO-1938 Deposited 2025-02-16 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9LWS Cryo-EM structure of PI3Kalpha H1047R in complex with compound UCL-TRO-1938 Deposited 2025-02-16 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 3–724（722 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9NI6 Cryo-EM structure of the Class 1 PI3K alpha/KRas complex on POPC/POPS nanodiscs Deposited 2025-02-25 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–724（724 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.01 Å
9NI8 Cryo-EM structure of the Class 2 PI3K alpha/KRas complex on POPC/POPS nanodiscs Deposited 2025-02-25 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–724（724 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
9NLC Cryo-EM structure of the Class 1 PI3K alpha/KRas complex on POPC/POPS nanodiscs low-pass filtered to 10 angstroms Deposited 2025-03-03 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–724（724 aa）
Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCL, 150 mM NaCl, 1mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 10.00 Å

103 other PDB entries and 116 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name P85A_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–279； UniProt 322–600

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 5sx9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5sx9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5sx9
Deposition date deposition_date2016-08-09
Structure title titleCrystal Structure of PI3Kalpha in complex with fragment 14
Keywords keywordslipid kinase, phosphoinositide, 3-kinase, signaling, TRANSFERASE, TRANSFERASE-TRANSFERASE INHIBITOR complex; TRANSFERASE/TRANSFERASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier35.45 Å
Radius of gyration Rg (electron density) rg_electron34.68 Å
Forward intensity I(0) i0345463000.00
Molecular weight molecular_weight150960.0 kDa
Excluded volume excluded_volume189410 ų
Envelope volume envelope_volume248920 ų
Hydration-shell volume shell_volume58128 ų
Envelope diameter envelope_diameter128.2 Å
Shell Rg shell_rg42.45 Å
Envelope Rg envelope_rg34.92 Å
Shape Rg shape_rg34.68 Å
Total Rg total_rg35.21 Å
Total atoms total_atoms10602
Residues n_residues1283
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax117.8 Å
Rg (real space) rg_real35.33 Å
Rg uncertainty (real space) rg_real_error0.84 Å
I(0) (real space) i0_real3.4550e+08
I(0) uncertainty (real space) i0_real_error5.6040e+06
Rg (reciprocal space) rg_reciprocal35.40 Å
I(0) (reciprocal space) i0_reciprocal345500000.0000
Solution quality estimate total_estimate0.6616
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary44.5 Å
Skewness Skewness skewness0.274
Kurtosis Kurtosis kurtosis-0.267
Angular range angular_range— – 0.2250 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha76050000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.826; Stabil: 1.000; Sysdev: 0.062; Positv: 1.000; Valcen: 0.994; Smooth: 0.938
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

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7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id5sx9A01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily150 — C2 domain
Domain ID domain_id5sx9A02
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily70 — Phosphatidylinositol 3-kinase, accessory domain (PIK)
Domain ID domain_id5sx9B01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily1490 —
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8. Citations (1)

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9. Files and Curves (10)