Protein kinase C iota type
Homo sapiens
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 248–596 | Non-standard monomer:Yes (specific site not provided by mmCIF) | PKC Epsilon pseudo substrate sequence × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 2 MN MANGANESE (II) ION × 3 SCN THIOCYANATE ION × 1 | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;32% Peg 2000 MME, 0.08 M KSCN | Resolution 3.25 Å R-free 0.284 |
| 2 | Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count | Chain B; UniProt 248–596 | Non-standard monomer:Yes (specific site not provided by mmCIF) | PKC Epsilon pseudo substrate sequence × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 2 MN MANGANESE (II) ION × 2 SCN THIOCYANATE ION × 1 | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;32% Peg 2000 MME, 0.08 M KSCN | Resolution 3.25 Å R-free 0.284 |
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 5LIH | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1VD2 Solution Structure of the PB1 domain of PKCiota Deposited 2004-03-18 | 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
16–99(84 aa)
Fragment:PB1 domain
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 7;298 K;Ionic strength (raw mmCIF value) 50mM phosphate buffer; 150mM sodium chloride;Pressure ambient
NMR sample composition
1mM PKCiota PB1 U-15N, U-13C; 50mM phosphate buffer; 150mM sodium chloride; 5mM ditiothreitol; 0.05%(w/v) sodium azide; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition
1mM PKCiota PB1 U-15N, U-13C; 50mM phosphate buffer; 150mM sodium chloride; 5mM ditiothreitol; 0.05%(w/v) sodium azide; 100% D2O | 100% D2O
|
Resolution not provided |
| 1WMH Crystal structure of a PB1 domain complex of Protein kinase c iota and Par6 alpha Deposited 2004-07-09 | 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
16–99(84 aa)
Fragment:PB1 domain
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 8;293 K;sodium formate, Tris, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
|
Resolution 1.50 Å R-free 0.224 |
| 1ZRZ Crystal Structure of the Catalytic Domain of Atypical Protein Kinase C-iota Deposited 2005-05-23 | 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
224–587(364 aa)
Fragment:catalytic domain, residues 224-587
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | BI1 3-{1-[3-(DIMETHYLAMINO)PROPYL]-1H-INDOL-3-YL}-4-(1H-INDOL-3-YL)-1H-PYRROLE-2,5-DIONE × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;PEG 400, sodium acetate, MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
|
Resolution 3.00 Å R-free 0.333 |
| 3A8W Crystal Structure of PKCiota kinase domain Deposited 2009-10-11 | 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
249–588(340 aa)
Fragment:UNP residues 249-588
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | ATP ADENOSINE-5'-TRIPHOSPHATE × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 5.5;293 K;PEG3350, ammonium sulfate, pH 5.5, VAPOR DIFFUSION, temperature 293K
|
Resolution 2.10 Å R-free 0.301 |
| 3A8W Crystal Structure of PKCiota kinase domain Deposited 2009-10-11 | 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
249–588(340 aa)
Fragment:UNP residues 249-588
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | ATP ADENOSINE-5'-TRIPHOSPHATE × 1 SO4 SULFATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 5.5;293 K;PEG3350, ammonium sulfate, pH 5.5, VAPOR DIFFUSION, temperature 293K
|
Resolution 2.10 Å R-free 0.301 |
| 3A8W Crystal Structure of PKCiota kinase domain Deposited 2009-10-11 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 3 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
249–588(340 aa)
Fragment:UNP residues 249-588
Chain B
249–588(340 aa)
Fragment:UNP residues 249-588
|
Non-standard monomer:Yes (specific site not provided by mmCIF) Non-standard monomer:Yes (specific site not provided by mmCIF) | ATP ADENOSINE-5'-TRIPHOSPHATE × 2 SO4 SULFATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 5.5;293 K;PEG3350, ammonium sulfate, pH 5.5, VAPOR DIFFUSION, temperature 293K
|
Resolution 2.10 Å R-free 0.301 |
| 3A8X Crystal Structure of PKCiota kinase domain Deposited 2009-10-11 | 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
249–588(340 aa)
Fragment:UNP residues 249-588
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | SO4 SULFATE ION × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 7.5;293 K;HEPES, ammonium sulfate, PEG400, pH 7.5, VAPOR DIFFUSION, temperature 293K
|
Resolution 2.00 Å R-free 0.271 |
| 3A8X Crystal Structure of PKCiota kinase domain Deposited 2009-10-11 | 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
249–588(340 aa)
Fragment:UNP residues 249-588
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | SO4 SULFATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 7.5;293 K;HEPES, ammonium sulfate, PEG400, pH 7.5, VAPOR DIFFUSION, temperature 293K
|
Resolution 2.00 Å R-free 0.271 |
| 3A8X Crystal Structure of PKCiota kinase domain Deposited 2009-10-11 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 3 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
249–588(340 aa)
Fragment:UNP residues 249-588
Chain B
249–588(340 aa)
Fragment:UNP residues 249-588
|
Non-standard monomer:Yes (specific site not provided by mmCIF) Non-standard monomer:Yes (specific site not provided by mmCIF) | SO4 SULFATE ION × 4 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 7.5;293 K;HEPES, ammonium sulfate, PEG400, pH 7.5, VAPOR DIFFUSION, temperature 293K
|
Resolution 2.00 Å R-free 0.271 |
| 3ZH8 A novel small molecule aPKC inhibitor Deposited 2012-12-20 | 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
248–596(349 aa)
Fragment:KINASE DOMAIN, RESIDUES 248-596
|
Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) | IOD IODIDE ION × 4 CL CHLORIDE ION × 1 C58 (2S)-3-phenyl-N~1~-[2-(pyridin-4-yl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-yl]propane-1,2-diamine × 1 EDO 1,2-ETHANEDIOL × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
0.2M AMMONIUM IODIDE AND 20%(W/V) PEG3350.
|
Resolution 2.74 Å R-free 0.257 |
| 3ZH8 A novel small molecule aPKC inhibitor Deposited 2012-12-20 | 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
248–596(349 aa)
Fragment:KINASE DOMAIN, RESIDUES 248-596
|
Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) | IOD IODIDE ION × 4 CL CHLORIDE ION × 1 C58 (2S)-3-phenyl-N~1~-[2-(pyridin-4-yl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-yl]propane-1,2-diamine × 1 EDO 1,2-ETHANEDIOL × 4 |
X-RAY DIFFRACTION
X-ray crystallization conditions
0.2M AMMONIUM IODIDE AND 20%(W/V) PEG3350.
|
Resolution 2.74 Å R-free 0.257 |
| 3ZH8 A novel small molecule aPKC inhibitor Deposited 2012-12-20 | Different construct Different mutation/modification 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
248–596(349 aa)
Fragment:KINASE DOMAIN, RESIDUES 248-596
|
Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) | IOD IODIDE ION × 4 CL CHLORIDE ION × 1 C58 (2S)-3-phenyl-N~1~-[2-(pyridin-4-yl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-yl]propane-1,2-diamine × 1 EDO 1,2-ETHANEDIOL × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
0.2M AMMONIUM IODIDE AND 20%(W/V) PEG3350.
|
Resolution 2.74 Å R-free 0.257 |
| 5LI1 Structure of a Par3-inhibitory peptide bound to PKCiota core kinase domain Deposited 2016-07-13 | Different construct Different ligand/ion Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
248–596(349 aa)
Fragment:UNP residues 246-589
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 GOL GLYCEROL × 1 K POTASSIUM ION × 1 MG MAGNESIUM ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;32% Peg 2000 MME, 0.08 M KSCN
|
Resolution 2.00 Å R-free 0.217 |
| 5LI9 Structure of a nucleotide-bound form of PKCiota core kinase domain Deposited 2016-07-14 | 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
248–596(349 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 FMT FORMIC ACID × 7 IMD IMIDAZOLE × 1 MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 PEG DI(HYDROXYETHYL)ETHER × 3 ACT ACETATE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 6.3;293 K;25% Morpheus precipitant mix 4, 10% Morpheus Carboxylic acids, Morpheus Buffer system 1
|
Resolution 1.79 Å R-free 0.231 |
| 6ILZ Crystal structure of PKCiota in complex with inhibitor Deposited 2018-10-21 | 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
249–588(340 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | AFU 2-amino-5-[3-(piperazin-1-yl)phenyl]-N-(pyridin-4-yl)pyridine-3-carboxamide × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;0.1 M BIS-TRIS 6.5, 28 % w/v Polyethylene glycol monomethyl ether 2000
|
Resolution 3.26 Å R-free 0.348 |
| 6ILZ Crystal structure of PKCiota in complex with inhibitor Deposited 2018-10-21 | 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 C
249–588(340 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | AFU 2-amino-5-[3-(piperazin-1-yl)phenyl]-N-(pyridin-4-yl)pyridine-3-carboxamide × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;0.1 M BIS-TRIS 6.5, 28 % w/v Polyethylene glycol monomethyl ether 2000
|
Resolution 3.26 Å R-free 0.348 |
| 6ILZ Crystal structure of PKCiota in complex with inhibitor Deposited 2018-10-21 | 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 E
249–588(340 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | AFU 2-amino-5-[3-(piperazin-1-yl)phenyl]-N-(pyridin-4-yl)pyridine-3-carboxamide × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;0.1 M BIS-TRIS 6.5, 28 % w/v Polyethylene glycol monomethyl ether 2000
|
Resolution 3.26 Å R-free 0.348 |
| 6ILZ Crystal structure of PKCiota in complex with inhibitor Deposited 2018-10-21 | 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 G
249–588(340 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | AFU 2-amino-5-[3-(piperazin-1-yl)phenyl]-N-(pyridin-4-yl)pyridine-3-carboxamide × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;0.1 M BIS-TRIS 6.5, 28 % w/v Polyethylene glycol monomethyl ether 2000
|
Resolution 3.26 Å R-free 0.348 |
| 8R3X Crystal structure of aPKC Iota kinase domain with LLGL2 peptide Deposited 2023-11-10 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
241–596(356 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 6.5;300 K;Morpheus Condition:
25% (v/v) MPD,
25% (v/v) PEG 1000,
25% (v/v) PEG 3350,
0.3 M NaNO3,
0.3 M Na2HPO4,
0.3 M (NH4)2SO4,
0.1 M MES/imidazole pH 6.5
|
Resolution 2.59 Å R-free 0.269 |
| 8R3X Crystal structure of aPKC Iota kinase domain with LLGL2 peptide Deposited 2023-11-10 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
241–596(356 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 6.5;300 K;Morpheus Condition:
25% (v/v) MPD,
25% (v/v) PEG 1000,
25% (v/v) PEG 3350,
0.3 M NaNO3,
0.3 M Na2HPO4,
0.3 M (NH4)2SO4,
0.1 M MES/imidazole pH 6.5
|
Resolution 2.59 Å R-free 0.269 |
| 8R3Y Cryo EM structure of a stable LGL/aPKC Iota/Par-6 complex Deposited 2023-11-10 | 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 I
248–585(338 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE;4 ul of aPKCiota-Par6-Llgl1 complex at a concentration of 0.4 mg/ml was applied to R1.2/1.3 Quantifoil 300 mesh copper grids which had been glow-discharged for 45 s at 45 mA . Grids were blotted for 2.5 s at 100% humidity using an FEI Vitrobot MK IV.
|
Resolution 3.68 Å |
| 9EJK Lgl2 bound to the aPKCiota-Par6b complex in nucleotide-free form. Head sub-complex region subtracted Deposited 2024-11-28 | 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
1–596(596 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.08 Å |
| 9EJL Lgl2 bound to the aPKCiota-Par6B complex in nucleotide-free form. Conformation with visible head sub-complex. Deposited 2024-11-28 | 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
1–596(596 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.48 Å |
| 9EJM Lgl2 bound to the aPKCiota-Par6B complex in its ADP-bound form Deposited 2024-11-28 | 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
1–596(596 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.33 Å |
14 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | KPCI_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 1–349; UniProt 248–596 Author chain B; PDBConstruct 1–349; UniProt 248–596 |