1ryh

Alternative Splicing of Rac1 Generates Rac1b, a Self-activating GTPase

Method: X-RAY DIFFRACTION D_max: 82.0 Å Quality: GOOD

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1. Protein Identity and Related Structures Protein Identity & Related Structures

ras-related C3 botulinum toxin substrate 1 isoform Rac1b

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 monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 1–201	Fragment：residues 1-201	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions	Resolution 1.75 Å R-free 0.219
2	Protein monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain B； UniProt 1–201	Fragment：residues 1-201	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions	Resolution 1.75 Å R-free 0.219

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 1RYH	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1FOE CRYSTAL STRUCTURE OF RAC1 IN COMPLEX WITH THE GUANINE NUCLEOTIDE EXCHANGE REGION OF TIAM1 Deposited 2000-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；277 K；PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K	Resolution 2.80 Å R-free 0.293
1FOE CRYSTAL STRUCTURE OF RAC1 IN COMPLEX WITH THE GUANINE NUCLEOTIDE EXCHANGE REGION OF TIAM1 Deposited 2000-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；277 K；PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K	Resolution 2.80 Å R-free 0.293
1FOE CRYSTAL STRUCTURE OF RAC1 IN COMPLEX WITH THE GUANINE NUCLEOTIDE EXCHANGE REGION OF TIAM1 Deposited 2000-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；277 K；PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K	Resolution 2.80 Å R-free 0.293
1FOE CRYSTAL STRUCTURE OF RAC1 IN COMPLEX WITH THE GUANINE NUCLEOTIDE EXCHANGE REGION OF TIAM1 Deposited 2000-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；277 K；PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K	Resolution 2.80 Å R-free 0.293
1FOE CRYSTAL STRUCTURE OF RAC1 IN COMPLEX WITH THE GUANINE NUCLEOTIDE EXCHANGE REGION OF TIAM1 Deposited 2000-08-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain B 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1 Chain D 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1 Chain F 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1 Chain H 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1	Not recorded	SO4 SULFATE ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；277 K；PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K	Resolution 2.80 Å R-free 0.293
1FOE CRYSTAL STRUCTURE OF RAC1 IN COMPLEX WITH THE GUANINE NUCLEOTIDE EXCHANGE REGION OF TIAM1 Deposited 2000-08-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1 Chain H 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1	Not recorded	SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；277 K；PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K	Resolution 2.80 Å R-free 0.293
1FOE CRYSTAL STRUCTURE OF RAC1 IN COMPLEX WITH THE GUANINE NUCLEOTIDE EXCHANGE REGION OF TIAM1 Deposited 2000-08-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 7 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1 Chain F 1–177（177 aa） Fragment：RESIDUES 1 TO 177 FROM HUMAN RAC1	Not recorded	SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；277 K；PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K	Resolution 2.80 Å R-free 0.293
1G4U CRYSTAL STRUCTURE OF THE SALMONELLA TYROSINE PHOSPHATASE AND GTPASE ACTIVATING PROTEIN SPTP BOUND TO RAC1 Deposited 2000-10-28	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain R 1–184（184 aa） Fragment：RAC1 RESIDUES 1-184	Mutation：F78S	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.7；18 %PEG 400, 0.1M MES, 15mM sodium flouride, 0.1mM aluminum chloride, 2mM DTT, 2mM magnesium chloride, pH 5.7, VAPOR DIFFUSION, HANGING DROP	Resolution 2.30 Å R-free 0.258
1I4D CRYSTAL STRUCTURE ANALYSIS OF RAC1-GDP COMPLEXED WITH ARFAPTIN (P21) Deposited 2001-02-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 1–192（192 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；291 K；Tris, Peg20K, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.50 Å R-free 0.298
1I4L CRYSTAL STRUCTURE ANALYSIS OF RAC1-GDP IN COMPLEX WITH ARFAPTIN (P41) Deposited 2001-02-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 1–192（192 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；291 K；Tris, PEG20K, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.70 Å R-free 0.301
1I4L CRYSTAL STRUCTURE ANALYSIS OF RAC1-GDP IN COMPLEX WITH ARFAPTIN (P41) Deposited 2001-02-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 1–192（192 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；291 K；Tris, PEG20K, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.70 Å R-free 0.301
1I4T CRYSTAL STRUCTURE ANALYSIS OF RAC1-GMPPNP IN COMPLEX WITH ARFAPTIN Deposited 2001-02-23	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 1–192（192 aa）	Mutation：Q61L	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；291 K；Tris, PEG20K, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.60 Å R-free 0.304
1I4T CRYSTAL STRUCTURE ANALYSIS OF RAC1-GMPPNP IN COMPLEX WITH ARFAPTIN Deposited 2001-02-23	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 1–192（192 aa）	Mutation：Q61L	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；291 K；Tris, PEG20K, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.60 Å R-free 0.304
1MH1 SMALL G-PROTEIN Deposited 1997-01-21	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–184（183 aa） Fragment：RESIDUES 1 - 184	Mutation：M1P, F78S	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.8；pH 6.8	Resolution 1.38 Å R-free 0.205
1RYF Alternative Splicing of Rac1 Generates Rac1b, a Self-activating GTPase Deposited 2003-12-22	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–201（201 aa） Fragment：residues 1-201	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 1.75 Å R-free 0.223
1RYF Alternative Splicing of Rac1 Generates Rac1b, a Self-activating GTPase Deposited 2003-12-22	Different ligand/ion Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 1–201（201 aa） Fragment：residues 1-201	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 1.75 Å R-free 0.223
2FJU Activated Rac1 bound to its effector phospholipase C beta 2 Deposited 2006-01-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa） Fragment：residues 1-189	Not recorded	MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；291 K；8% PEG 3350, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K	Resolution 2.20 Å R-free 0.226
2H7V Co-crystal structure of YpkA-Rac1 Deposited 2006-06-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–184（184 aa）	Mutation：F78S	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；295 K；100mM HEPES pH 6.5-7.5, 5%-8% PEGMME2000 micro seeding, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.60 Å R-free 0.257
2H7V Co-crystal structure of YpkA-Rac1 Deposited 2006-06-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–184（184 aa）	Mutation：F78S	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；295 K；100mM HEPES pH 6.5-7.5, 5%-8% PEGMME2000 micro seeding, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.60 Å R-free 0.257
2NZ8 N-terminal DHPH cassette of Trio in complex with nucleotide-free Rac1 Deposited 2006-11-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa） Fragment：soluble part (residues 1-177)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；291 K；100 mM sodium cacodylate pH 5.5 to 6.5, 14 to 18% (w/v) PEG 8000, and 300-500 mM calcium acetate, pH 6.0, VAPOR DIFFUSION, temperature 291K	Resolution 2.00 Å R-free 0.249
2P2L Rac1-GDP-Zinc Complex Deposited 2007-03-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–184（184 aa） Chain B 1–184（184 aa） Chain C 1–184（184 aa）	Not recorded	ZN ZINC ION × 8 GDP GUANOSINE-5'-DIPHOSPHATE × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；100mM MES pH6.0, 15mM ZnSO4, 10% PEGMME 550., VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 1.90 Å R-free 0.208
2P2L Rac1-GDP-Zinc Complex Deposited 2007-03-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric	Chain A 1–184（184 aa） Chain B 1–184（184 aa） Chain C 1–184（184 aa）	Not recorded	ZN ZINC ION × 16 GDP GUANOSINE-5'-DIPHOSPHATE × 6	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；100mM MES pH6.0, 15mM ZnSO4, 10% PEGMME 550., VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 1.90 Å R-free 0.208
2RMK Rac1/PRK1 Complex Deposited 2007-10-25	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 × 2 PDB declaration: dimeric	Chain A 1–192（192 aa）	Mutation：Q61L	MG MAGNESIUM ION × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1	SOLUTION NMR NMR measurement conditions pH 7.4；298 K；Ionic strength (raw mmCIF value) 0.225；Pressure ambient NMR sample composition 0.6mM [U-13C; U-15N; U-2H] Rac1; 0.6mM PRK1 HR1b; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O \| 90% H2O/10% D2O NMR sample composition 0.6mM [U-100% 13C; U-100% 15N] Rac1; 0.6mM PRK1 HR1b; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O \| 90% H2O/10% D2O NMR sample composition 0.6mM [U-100% 15N] Rac1; 0.6mM PRK1 HR1b; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O \| 90% H2O/10% D2O NMR sample composition 0.6mM [U-100% 13C; U-100% 15N] Rac1; 0.6mM PRK1 Rac1; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O \| 90% H2O/10% D2O NMR sample composition 0.6mM [U-100% 15N] HR1b; 0.6mM PRK1 Rac1; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O \| 90% H2O/10% D2O	Resolution not provided
2VRW Critical structural role for the PH and C1 domains of the Vav1 exchange factor Deposited 2008-04-16	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–184（184 aa） Fragment：RESIDUES 1-184	Not recorded	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 9；100MM BICINE PH9.0 10% PEG 6000	Resolution 1.85 Å R-free 0.251
2WKP Structure of a photoactivatable Rac1 containing Lov2 Wildtype Deposited 2009-06-16	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 4–180（177 aa） Fragment：NPH1-1, RESIDUES 404-546 AND P21-RAC1, RESIDUES 4-180	Mutation：YES	GTP GUANOSINE-5'-TRIPHOSPHATE × 1 FMN FLAVIN MONONUCLEOTIDE × 1 MG MAGNESIUM ION × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions 100 MM CA ACETATE, 100 MM SODIUM CACODYLATE PH 5.5, 12 % (W/V) PEG 8000	Resolution 1.90 Å R-free 0.195
2WKQ Structure of a photoactivatable Rac1 containing the Lov2 C450A Mutant Deposited 2009-06-16	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 4–180（177 aa） Fragment：NPH1-1 RESIDUES 404-546 AND P21-RAC1, RESIDUES 4-180	Mutation：YES	GTP GUANOSINE-5'-TRIPHOSPHATE × 1 FMN FLAVIN MONONUCLEOTIDE × 1 MG MAGNESIUM ION × 1 CL CHLORIDE ION × 3 EDO 1,2-ETHANEDIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions 100 MM POTASSIUM CHLORIDE, 5% (W/V) PEG 4000	Resolution 1.60 Å R-free 0.186
2WKR Structure of a photoactivatable Rac1 containing the Lov2 C450M Mutant Deposited 2009-06-16	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 4–180（177 aa） Fragment：NPH1-1, RESIDUES 404-546 AND P21-RAC1, RESIDUES 4-180	Mutation：YES	GTP GUANOSINE-5'-TRIPHOSPHATE × 1 FMN FLAVIN MONONUCLEOTIDE × 1 MG MAGNESIUM ION × 1 CL CHLORIDE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions 18 % (V/V) PEG 600	Resolution 2.20 Å R-free 0.226
2YIN STRUCTURE OF THE COMPLEX BETWEEN Dock2 AND Rac1. Deposited 2011-05-16	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 1–177（177 aa） Fragment：RESIDUES 1-177	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；293 K；0.1 M MES PH 6.5, 12% (W/V) PEG 3350, 10% (V/V) GLYCEROL AND 150 MM NACL. AT 20 C	Resolution 2.70 Å R-free 0.255
2YIN STRUCTURE OF THE COMPLEX BETWEEN Dock2 AND Rac1. Deposited 2011-05-16	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 1–177（177 aa） Fragment：RESIDUES 1-177	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；293 K；0.1 M MES PH 6.5, 12% (W/V) PEG 3350, 10% (V/V) GLYCEROL AND 150 MM NACL. AT 20 C	Resolution 2.70 Å R-free 0.255
3B13 Crystal structure of the DHR-2 domain of DOCK2 in complex with Rac1 (T17N mutant) Deposited 2011-06-24	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 1–177（177 aa） Fragment：GTPase domain (UNP RESIDUES 1-177) Chain D 1–177（177 aa） Fragment：GTPase domain (UNP RESIDUES 1-177)	Mutation：T17N Mutation：T17N	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；100mM sodium citrate, 15% PEG 6000, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 3.01 Å R-free 0.234
3BJI Structural Basis of Promiscuous Guanine Nucleotide Exchange by the T-Cell Essential Vav1 Deposited 2007-12-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 1–177（177 aa） Fragment：Rac1	Not recorded	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；298 K；17% PEG-3350, 100 mM HEPES, pH 7.5, 200 mM ammonium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.60 Å R-free 0.293
3BJI Structural Basis of Promiscuous Guanine Nucleotide Exchange by the T-Cell Essential Vav1 Deposited 2007-12-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 1–177（177 aa） Fragment：Rac1	Not recorded	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；298 K；17% PEG-3350, 100 mM HEPES, pH 7.5, 200 mM ammonium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.60 Å R-free 0.293
3RYT The Plexin A1 intracellular region in complex with Rac1 Deposited 2011-05-11	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 1–177（177 aa） Fragment：UNP residues 1-177	Mutation：Q61L	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；15% PEG1500, 100 mM SPG buffer, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 3.58 Å R-free 0.340
3SBD Crystal structure of RAC1 P29S mutant Deposited 2011-06-03	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–177（176 aa）	Mutation：P29S	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；20% PEG4000, 7% isopropanol, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.10 Å R-free 0.285
3SBD Crystal structure of RAC1 P29S mutant Deposited 2011-06-03	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 2–177（176 aa）	Mutation：P29S	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；20% PEG4000, 7% isopropanol, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.10 Å R-free 0.285
3SBE Crystal structure of RAC1 P29S mutant Deposited 2011-06-03	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–177（176 aa）	Mutation：P29S	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；20% PEG4000, 7% isopropanol, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.60 Å R-free 0.296
3SU8 Crystal structure of a truncated intracellular domain of Plexin-B1 in complex with Rac1 Deposited 2011-07-11	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa） Fragment：UNP residues 1-177	Not recorded	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 3.20 Å R-free 0.238
3SUA Crystal structure of the intracellular domain of Plexin-B1 in complex with Rac1 Deposited 2011-07-11	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa） Fragment：UNP residues 1-177	Not recorded	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 4.39 Å R-free 0.264
3SUA Crystal structure of the intracellular domain of Plexin-B1 in complex with Rac1 Deposited 2011-07-11	Different construct Different oligomeric state Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa） Fragment：UNP residues 1-177	Not recorded	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 4.39 Å R-free 0.264
3SUA Crystal structure of the intracellular domain of Plexin-B1 in complex with Rac1 Deposited 2011-07-11	Different construct Different oligomeric state Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 1–177（177 aa） Fragment：UNP residues 1-177	Not recorded	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 4.39 Å R-free 0.264
3SUA Crystal structure of the intracellular domain of Plexin-B1 in complex with Rac1 Deposited 2011-07-11	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–177（177 aa） Fragment：UNP residues 1-177 Chain B 1–177（177 aa） Fragment：UNP residues 1-177 Chain C 1–177（177 aa） Fragment：UNP residues 1-177	Not recorded	MG MAGNESIUM ION × 3 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 3	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 4.39 Å R-free 0.264
3TH5 Crystal structure of wild-type RAC1 Deposited 2011-08-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–177（176 aa） Fragment：UNP residues 2-177	Not recorded	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；22% PEG4000, 7% isopropanol, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.30 Å R-free 0.264
3TH5 Crystal structure of wild-type RAC1 Deposited 2011-08-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 2–177（176 aa） Fragment：UNP residues 2-177	Not recorded	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；22% PEG4000, 7% isopropanol, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.30 Å R-free 0.264
4GZL Crystal structure of RAC1 Q61L mutant Deposited 2012-09-06	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–177（176 aa） Fragment：UNP residues 2-177	Mutation：Q61L	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 IPA ISOPROPYL ALCOHOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；296 K；16-18% PEG4000, 6% isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K	Resolution 2.00 Å R-free 0.250
4GZL Crystal structure of RAC1 Q61L mutant Deposited 2012-09-06	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 2–177（176 aa） Fragment：UNP residues 2-177	Mutation：Q61L	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；296 K；16-18% PEG4000, 6% isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K	Resolution 2.00 Å R-free 0.250
4GZM Crystal structure of RAC1 F28L mutant Deposited 2012-09-06	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–177（176 aa） Fragment：UNP residues 2-177	Mutation：F28L	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；296 K；16-18% PEG4000, 8% isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K	Resolution 2.80 Å R-free 0.288
4GZM Crystal structure of RAC1 F28L mutant Deposited 2012-09-06	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 2–177（176 aa） Fragment：UNP residues 2-177	Mutation：F28L	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；296 K；16-18% PEG4000, 8% isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K	Resolution 2.80 Å R-free 0.288
4YON P-Rex1:Rac1 complex Deposited 2015-03-11	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa） Fragment：UNP residues 1-177	Mutation：G12V	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1 sodium MES, pH 6.5, 0.2M sodium acetate, 15% (w/v) PEG 8000	Resolution 1.95 Å R-free 0.183
5FI0 Crystal Structure of the P-Rex1 DH/PH tandem in complex with Rac1 Deposited 2015-12-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–192（192 aa）	Not recorded	PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；294 K；Sodium dihydrogen phosphate, PEG 8000	Resolution 3.28 Å R-free 0.235
5FI0 Crystal Structure of the P-Rex1 DH/PH tandem in complex with Rac1 Deposited 2015-12-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 1–192（192 aa）	Not recorded	PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；294 K；Sodium dihydrogen phosphate, PEG 8000	Resolution 3.28 Å R-free 0.235
5FI0 Crystal Structure of the P-Rex1 DH/PH tandem in complex with Rac1 Deposited 2015-12-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 1–192（192 aa）	Not recorded	PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；294 K；Sodium dihydrogen phosphate, PEG 8000	Resolution 3.28 Å R-free 0.235
5FI0 Crystal Structure of the P-Rex1 DH/PH tandem in complex with Rac1 Deposited 2015-12-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–192（192 aa）	Not recorded	PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；294 K；Sodium dihydrogen phosphate, PEG 8000	Resolution 3.28 Å R-free 0.235
5HZH Crystal structure of photoinhibitable Rac1 containing C450A mutant LOV2 domain Deposited 2016-02-02	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 1–47（47 aa） Chain A 48–180（133 aa）	Mutation：Q61L,Q61L,Q61L,Q61L,Q61L,Q61L,Q61L,Q61L,Q61L Mutation：Q61L,Q61L,Q61L,Q61L,Q61L,Q61L,Q61L,Q61L,Q61L	GTP GUANOSINE-5'-TRIPHOSPHATE × 1 FMN FLAVIN MONONUCLEOTIDE × 1 MG MAGNESIUM ION × 1 CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；293 K；0.2 M calcium acetate, 26% (w/v) PEG 3350	Resolution 2.60 Å R-free 0.255
5N6O Wild type human Rac1-GDP Deposited 2017-02-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–177（176 aa）	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0,1 mM MES ph 6.5 PEG 3350 20%	Resolution 2.59 Å R-free 0.252
5N6O Wild type human Rac1-GDP Deposited 2017-02-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 2–177（176 aa）	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；0,1 mM MES ph 6.5 PEG 3350 20%	Resolution 2.59 Å R-free 0.252
5O33 A structure of the GEF Kalirin DH1 domain in complex with the small GTPase Rac1 Deposited 2017-05-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 6 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；0.1M citrate pH4.2, 0.2M sodium chloride, 18% (W/V) PEG 8000	Resolution 1.64 Å R-free 0.240
5QQD PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with Z56880342 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 JGA N-ethyl-N'-(5-methyl-1,2-oxazol-3-yl)urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 1.91 Å R-free 0.259
5QQE PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-009-531-494 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N5S N-(5-methyl-1,2-oxazol-3-yl)-N'-[(3S)-4,4,4-trifluoro-3-hydroxy-3-(5-methylfuran-2-yl)butyl]urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 1.95 Å R-free 0.284
5QQF PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-004-412-710 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N5V N-ethyl-N'-1,3-thiazol-2-ylurea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.26 Å R-free 0.270
5QQG PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-009-541-216 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N64 N-(5-methyl-1,2-oxazol-3-yl)-N'-[3-(4-phenylpiperazin-1-yl)propyl]urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.23 Å R-free 0.274
5QQH PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-020-096-465 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N67 N-methyl-5-({[(5-methyl-1,2-oxazol-3-yl)carbamoyl]amino}methyl)thiophene-2-sulfonamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.09 Å R-free 0.263
5QQI PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-009-178-994 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N6D N-[3-(methoxymethyl)phenyl]-N'-(5-methyl-1,2-oxazol-3-yl)urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.08 Å R-free 0.277
5QQJ PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-009-587-558 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N6J N-{1-[(imidazo[1,2-a]pyridin-2-yl)methyl]-1H-pyrazol-4-yl}-N'-(5-methyl-1,2-oxazol-3-yl)urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 1.90 Å R-free 0.269
5QQK PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-009-359-835 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N6V N-{1-[2-(diethylamino)ethyl]-1H-indol-5-yl}-N'-(5-methyl-1,2-oxazol-3-yl)urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.24 Å R-free 0.266
5QQL PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-009-565-301 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N71 N-(5-methyl-1,2-oxazol-3-yl)-N'-[2-(phenylsulfonyl)ethyl]urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.25 Å R-free 0.270
5QQM PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-009-565-325 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N74 N-(1-benzyl-1H-pyrazol-4-yl)-N'-(5-methyl-1,2-oxazol-3-yl)urea × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.02 Å R-free 0.273
5QQN PanDDA analysis group deposition -- Crystal Structure of Kalirin/Rac1 in complex with MolPort-010-382-606 Deposited 2019-05-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 N5D N-cyclopropyl-2-(4-{[(5-methyl-1,2-oxazol-3-yl)carbamoyl]amino}-1H-pyrazol-1-yl)acetamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.26 Å R-free 0.279
5QU9 PanDDA analysis group deposition of ground-state model of Kalirin/Rac1 screened against a customized urea fragment library by X-ray Crystallography at the XChem facility of Diamond Light Source beamline I04-1 Deposited 2019-12-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293.15 K；0.1M bis-tris pH 5.5 24% PEG 3350	Resolution 2.00 Å R-free 0.231
6AGP Structure of Rac1 in the low-affinity state for Mg2+ Deposited 2018-08-13	Different construct Different mutation/modification 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 1–181（181 aa）	Mutation：E31C, D63C, Q74C, L160C	GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1	SOLUTION NMR NMR measurement conditions pH 7；313 K；Ionic strength (raw mmCIF value) 0；Pressure 1 NMR sample composition 20 mM HEPES, 5 mM MgCl2, 0.5 mM GDP, 0.1 mM DSS, 90% H2O/10% D2O \| 90% H2O/10% D2O	Resolution not provided
6BC1 A Complex between PH Domain of p190RhoGEF and Activated Rac1 Bound to a GTP Analog Deposited 2017-10-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 2–177（176 aa）	Not recorded	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；22% PEG 3350, 100mM NaHEPES	Resolution 2.90 Å R-free 0.323
6BC1 A Complex between PH Domain of p190RhoGEF and Activated Rac1 Bound to a GTP Analog Deposited 2017-10-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 2–177（176 aa）	Not recorded	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；22% PEG 3350, 100mM NaHEPES	Resolution 2.90 Å R-free 0.323
6TGC CryoEM structure of the ternary DOCK2-ELMO1-RAC1 complex. Deposited 2019-11-15	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 × 6 PDB declaration: hexameric	Chain C 1–192（192 aa） Chain F 1–192（192 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6X1G Crystal structure of a GEF domain from the Orientia tsutsugamushi protein OtDUB in complex with Rac1 Deposited 2020-05-18	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 9.5；293 K；25 mM CHES pH 9.5, 25% (w/v) PEG 8000	Resolution 1.60 Å R-free 0.218
6X1G Crystal structure of a GEF domain from the Orientia tsutsugamushi protein OtDUB in complex with Rac1 Deposited 2020-05-18	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 1–177（177 aa）	Not recorded	MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 9.5；293 K；25 mM CHES pH 9.5, 25% (w/v) PEG 8000	Resolution 1.60 Å R-free 0.218
7AJK Crystal structure of CRYI-B Rac1 complex Deposited 2020-09-29	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain BBB 2–177（176 aa）	Not recorded	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；279 K；8% v/v PEG4,000 0.1M Tris pH 8.5 0.2M Sodium acetate	Resolution 3.10 Å R-free 0.282
7DPA Cryo-EM structure of the human ELMO1-DOCK5-Rac1 complex Deposited 2020-12-18	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–177（177 aa） Chain E 1–177（177 aa）	Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
7SJ4 Human Trio residues 1284-1959 in complex with Rac1 Deposited 2021-10-15	Different construct Different oligomeric state 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 1–192（192 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；Blot force 10	Resolution 2.86 Å
7USD Cryo-EM structure of D-site Rac1-bound WAVE Regulatory Complex Deposited 2022-04-25	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 × 6 PDB declaration: hexameric	Chain F 1–188（188 aa）	Mutation：P29S, Q61L	GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
7USE Cryo-EM structure of WAVE regulatory complex with Rac1 bound on both A and D site Deposited 2022-04-25	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 × 7 PDB declaration: heptameric	Chain F 1–188（188 aa） Chain G 1–188（188 aa）	Mutation：P29S Mutation：P29S, Q61L	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8I5V DOCK10 mutant L1903Y complexed with Rac1 Deposited 2023-01-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；ammonium sulfate, sodium cacodylate, PEG 8000, glycerol	Resolution 1.73 Å R-free 0.208
8I5W Crystal structure of the DHR-2 domain of DOCK10 in complex with Rac1 Deposited 2023-01-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；ammonium sulfate, sodium cacodylate, PEG 8000, glycerol	Resolution 2.43 Å R-free 0.280
8Q0N HACE1 in complex with RAC1 Q61L Deposited 2023-07-28	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 1–192（192 aa）	Mutation：Q61L	04E iodoacetic acid × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
8S1N Crystal structure of human Rac1-GDP Deposited 2024-02-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–177（177 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.5 K；100 mM HEPES 7.0, 200 mM Calcium chloride, 20% PEG 6000	Resolution 1.80 Å R-free 0.258
8S1O Crystal structure of human Rac1-GDP-Pi Deposited 2024-02-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–177（177 aa）	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；292.15 K；100 mM SPG buffer pH 5 and 25% PEG 1500	Resolution 2.27 Å R-free 0.266
8ZJ2 Cryo-EM structure of the RhoG/DOCK5/ELMO1/Rac1 complex Deposited 2024-05-14	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 × 7 PDB declaration: heptameric	Chain C 1–177（177 aa） Chain G 1–177（177 aa）	Mutation：G15A Mutation：G15A	MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.66 Å
8ZJI Structure of DOCK5/ELMO1/Rac1 core (RhoG/DOCK5/ELMO1/Rac1 dataset, class 1) Deposited 2024-05-15	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 × 6 PDB declaration: hexameric	Chain C 1–177（177 aa） Chain F 1–177（177 aa）	Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.23 Å
8ZJJ Structure of DOCK5/ELMO1/Rac1 core (RhoG/DOCK5/ELMO1/Rac1 dataset, class 2) Deposited 2024-05-15	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 × 6 PDB declaration: hexameric	Chain C 1–177（177 aa） Chain F 1–177（177 aa）	Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.23 Å
8ZJK Structure of DOCK5/ELMO1/Rac1 core (RhoG/DOCK5/ELMO1/Rac1 dataset, class 3) Deposited 2024-05-15	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 × 6 PDB declaration: hexameric	Chain C 1–177（177 aa） Chain F 1–177（177 aa）	Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.23 Å
8ZJL Structure of DOCK5/ELMO1/Rac1 core (RhoG/DOCK5/ELMO1/Rac1 dataset, class 4) Deposited 2024-05-15	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 × 6 PDB declaration: hexameric	Chain C 1–177（177 aa） Chain F 1–177（177 aa）	Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.31 Å
8ZJM Structure of DOCK5/ELMO1/Rac1 core (RhoG/DOCK5/ELMO1/Rac1 dataset, class 5) Deposited 2024-05-15	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 × 6 PDB declaration: hexameric	Chain C 1–177（177 aa） Chain F 1–177（177 aa）	Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.52 Å
9HU8 Crystal structure of Kalirin/Rac1 in complex with MC-278. Deposited 2024-12-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	A1IXV 2-chloranyl-~{N}-(2-oxidanylidene-5,6,7,8-tetrahydro-1~{H}-1,8-naphthyridin-4-yl)ethanamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M citrate pH 4.2, 0.2 M NaCl and 18 % PEG 8K	Resolution 1.48 Å R-free 0.231
9I1L Crystal structure of Kalirin/Rac1 in complex with RS-009 Deposited 2025-01-16	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	A1IZQ 2-chloranyl-~{N}-(6-oxidanylidene-1,7-dihydropyrrolo[2,3-b]pyridin-4-yl)ethanamide × 1 DMS DIMETHYL SULFOXIDE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.1 M bis-tris pH 5.5, 0.1 M NaCl, 27% PEG 3350	Resolution 1.68 Å R-free 0.269
9IFK Crystal structure of Kalirin/Rac1 in complex with DK-2 Deposited 2025-02-18	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	A1I32 2-chloranyl-~{N}-(2-oxidanylidene-1~{H}-quinolin-4-yl)ethanamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.1 M citrate pH 4.7, 0.8 M LiCl and 25% PEG 6K.	Resolution 1.34 Å R-free 0.235
9IG1 Crystal structure of Kalirin/Rac1 in complex with DK-652 Deposited 2025-02-18	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Not recorded	A1I33 2-chloranyl-~{N}-(1-oxidanylidene-2~{H}-isoquinolin-7-yl)ethanamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.1 M bis-tris pH 5.5, 0.2 M NaCl and 25% PEG 3350	Resolution 1.65 Å R-free 0.293
9LX0 DOCK5/ELMO1 complex with RhoG and Rac1 on lipid membrane Deposited 2025-02-17	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 D 1–188（188 aa） Chain H 1–188（188 aa）	Mutation：G15A, C189S Mutation：G15A, C189S	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.98 Å
9RFB Crystal Structure of Human Rac1 in Complex with the Scaffold Protein POSH (residues 321-348) Deposited 2025-06-04	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–177（177 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；277 K；0.05 M phosphate, 20% (w/v) PEG 8000. RAC1 6 mg/mL , GMPPNP 1mM, POSH 3 mM	Resolution 1.85 Å R-free 0.226
9RFB Crystal Structure of Human Rac1 in Complex with the Scaffold Protein POSH (residues 321-348) Deposited 2025-06-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 PO4 PHOSPHATE ION × 2 CL CHLORIDE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；277 K；0.05 M phosphate, 20% (w/v) PEG 8000. RAC1 6 mg/mL , GMPPNP 1mM, POSH 3 mM	Resolution 1.85 Å R-free 0.226
9RFF Crystal Structure of Human Rac1 Fused with the Scaffold Protein POSH (residues 319-371) Deposited 2025-06-04	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 1–177（177 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；0.12 M ethylene glycol, 0.1 M imidazole-MES pH 6.5, 37% (v/v) 2-methyl-2,4-pentanediol (MPD)-PEG 1000-PEG 3500 2 mg/mL Rac1-POSH	Resolution 1.25 Å R-free 0.164
9VM4 Structure of DOCK6-Rac1 complex protomer Deposited 2025-06-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–177（177 aa）	Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions	Resolution 4.20 Å
9VM5 Structure of DOCK6-Rac1 complex Deposited 2025-06-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 1–177（177 aa） Chain D 1–177（177 aa）	Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions	Resolution 5.32 Å
9VM7 Structure of DOCK6 tetramer complexed with Rac1 Deposited 2025-06-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain B 1–177（177 aa） Chain D 1–177（177 aa） Chain F 1–177（177 aa） Chain H 1–177（177 aa）	Mutation：G15A Mutation：G15A Mutation：G15A Mutation：G15A	No recorded non-water small molecule	ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions	Resolution 6.85 Å

74 other PDB entries and 101 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	RAC1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–203； UniProt 1–201 Author chain B； PDBConstruct 3–203； UniProt 1–201

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

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1ryh
Deposition date deposition_date	2003-12-22
Structure title title	Alternative Splicing of Rac1 Generates Rac1b, a Self-activating GTPase
Keywords keywords	GTP binding, HYDROLASE; HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	24.28 Å
Radius of gyration Rg (electron density) rg_electron	23.94 Å
Forward intensity I(0) i0	24131100.00
Molecular weight molecular_weight	37570.0 kDa
Excluded volume excluded_volume	47102 Å³
Envelope volume envelope_volume	58025 Å³
Hydration-shell volume shell_volume	21335 Å³
Envelope diameter envelope_diameter	86.3 Å
Shell Rg shell_rg	29.64 Å
Envelope Rg envelope_rg	24.33 Å
Shape Rg shape_rg	23.95 Å
Total Rg total_rg	24.66 Å
Total atoms total_atoms	2627
Residues n_residues	338
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	82.0 Å
Rg (real space) rg_real	24.42 Å
Rg uncertainty (real space) rg_real_error	0.54 Å
I(0) (real space) i0_real	2.4130e+07
I(0) uncertainty (real space) i0_real_error	2.9740e+05
Rg (reciprocal space) rg_reciprocal	24.39 Å
I(0) (reciprocal space) i0_reciprocal	24130000.0000
Solution quality estimate total_estimate	0.8604
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	23.4 Å
Skewness Skewness skewness	0.462
Kurtosis Kurtosis kurtosis	-0.401
Angular range angular_range	— – 0.3250 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	5110000.0000
Real-space data points n_real_points	64
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.791; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.816; Smooth: 0.992

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	ras-related C3 botulinum toxin substrate 1 isoform Rac1b
Molecular weight formula_weight	22369.8 kDa
EC 编号 ec_number	3.6.5.2
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2940

GSMQAIKCVVVGDGAVGKTCLLISYTTNAFPGEYIPTVFDNYSANVMVDGKPVNLGLWDTAGQEDYDRLRPLSYPQTVGETYGKDITSRGKDKPIADVFLICFSLVSPASFENVRAKWYPEVRHHCPNTPIILVGTKLDLRDDKDTIEKLKEKKLTPITYPQGLAMAKEIGAVKYLECSALTQRGLKTVFDEAIRAVLCPPPV

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER
Molecular weight formula_weight	522.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	296

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7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1ryha_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.8 — G proteins

Domain ID domain_id	d1ryhb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.8 — G proteins

CATH v4.4 (2 domains)

Domain ID domain_id	1ryhA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1ryhB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

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8. Citations (1)

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Unit-cell length a length_a	51.550 Å
Unit-cell length b length_b	78.670 Å
Unit-cell length c length_c	96.880 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.750 Å
Low-resolution limit resolution_low	26.260 Å
R factor r_factor	0.1828
R_work r_work	0.1808
R_free r_free	0.2189

fit	/app/data/saxs_computation/ry/1ryh/1ryh.fit
pddf	/app/data/pr_computation/ry/1ryh/1ryh.pr.out
profile	/app/data/saxs_computation/ry/1ryh/1ryh.dat