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STRUCTURE OF GTP-BINDING PROTEIN

Method: X-RAY DIFFRACTION D_max: 70.3 Å Quality: REASONABLE

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

G PROTEIN GI ALPHA 1

Rattus norvegicus

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 1–353	Fragment：ALPHA 1 Mutation：G203A	PO4 PHOSPHATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions	Resolution 2.60 Å R-free 0.279

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 1GIT	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1AGR COMPLEX OF ALF4-ACTIVATED GI-ALPHA-1 WITH RGS4 Deposited 1997-03-25	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–353（353 aa） Fragment：ALPHA-1	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 CIT CITRIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.3；THE COMPLEX WAS CRYSTALLIZED IN HANGING DROPS USING PEG 10000 AS THE PRECIPITANT AND SODIUM CITRATE PH 5.3 AS THE BUFFER., vapor diffusion - hanging drop	Resolution 2.80 Å R-free 0.291
1AGR COMPLEX OF ALF4-ACTIVATED GI-ALPHA-1 WITH RGS4 Deposited 1997-03-25	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 D 1–353（353 aa） Fragment：ALPHA-1	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 CIT CITRIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.3；THE COMPLEX WAS CRYSTALLIZED IN HANGING DROPS USING PEG 10000 AS THE PRECIPITANT AND SODIUM CITRATE PH 5.3 AS THE BUFFER., vapor diffusion - hanging drop	Resolution 2.80 Å R-free 0.291
1AS0 GTP-GAMMA-S BOUND G42V GIA1 Deposited 1997-08-11	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 1–353（353 aa）	Mutation：G42V	MG MAGNESIUM ION × 1 SO4 SULFATE ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；THE PROTEIN WAS CRYSTALLIZED IN HANGING DROPS USING 4M (NH4)2SO3 AS THE PRECIPITANT. 50 MM HEPES, PH 8.0, 10 MM MGSO4, 10 MM DTT AND 0.2 MM GTP-GAMMA-S WAS THE BUFFER., vapor diffusion - hanging drop	Resolution 2.00 Å R-free 0.259
1AS2 GDP+PI BOUND G42V GIA1 Deposited 1997-08-11	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–353（353 aa）	Mutation：G42V	PO4 PHOSPHATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；THE PROTEIN WAS CRYSTALLIZED IN HANGING DROPS USING 3M (NH4)H2P04 AS THE PRECIPITANT (PH 5.6). 50 MM HEPES, PH 8.0, 10 MM MGSO4, 10 MM DTT AND 5 MM GDP WAS THE BUFFER, vapor diffusion - hanging drop	Resolution 2.80 Å R-free 0.250
1AS3 GDP BOUND G42V GIA1 Deposited 1997-08-11	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 1–353（353 aa）	Mutation：G42V	SO4 SULFATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；THE PROTEIN WAS CRYSTALLIZED IN HANGING DROPS USING 4M (NH4)2SO3 AS THE PRECIPITANT. 50 MM HEPES, PH 8.0, 10 MM MGSO4, 10 MM DTT AND 5 MM GDP WAS THE BUFFER., vapor diffusion - hanging drop	Resolution 2.40 Å R-free 0.274
1BH2 A326S MUTANT OF AN INHIBITORY ALPHA SUBUNIT Deposited 1998-06-12	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 31–345（315 aa）	Mutation：A326S	MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6；PROTEIN WAS CRYSTALLIZED FROM 0.1M SODIUM ACETATE, PH 6.0, 2.0-2.1 M AMMONIUM SULFITE	Resolution 2.10 Å R-free 0.250
1BOF GI-ALPHA-1 BOUND TO GDP AND MAGNESIUM Deposited 1998-08-04	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 1–353（353 aa）	Not recorded	SO4 SULFATE ION × 2 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7；pH 7.0	Resolution 2.20 Å R-free 0.268
1CIP GI-ALPHA-1 SUBUNIT OF GUANINE NUCLEOTIDE-BINDING PROTEIN COMPLEXED WITH A GTP ANALOGUE Deposited 1999-04-05	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 2–354（353 aa）	Not recorded	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7；PROTEIN BOUND TO GPPNHP WAS CRYSTALLIZED IN 1.8-2.0M (NH4)2SO3, 100MM SODIUM ACETATE, H 6.0, 1MM MGSO4, 1MM GPPNHP, AND 5MM DTT. PRIOR TO DATA COLLECTION CRYSTALS WERE TRANSFERED TO 2.0M LI2SO4, 1MM GPPNHP, 3MM DTT, 1MM MGSO4, 100MM BES, PH 7.0, AND 15% GLYCEROL. CRYSTALS WERE FLASH FROZEN IN LIQUID PROPANE.	Resolution 1.50 Å R-free 0.235
1FQJ CRYSTAL STRUCTURE OF THE HETEROTRIMERIC COMPLEX OF THE RGS DOMAIN OF RGS9, THE GAMMA SUBUNIT OF PHOSPHODIESTERASE AND THE GT/I1 CHIMERA ALPHA SUBUNIT [(RGS9)-(PDEGAMMA)-(GT/I1ALPHA)-(GDP)-(ALF4-)-(MG2+)] Deposited 2000-09-05	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 220–298（79 aa） Fragment：UNP P04695 residues 26-215 and 295-350 linked via UNP P10824 residues 220-298	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；277 K；15.0% PEG8000, 200mM Tris pH9.0, 0.2% beta-ME, 1mM (NH4)2WS4, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 2.02 Å R-free 0.265
1FQJ CRYSTAL STRUCTURE OF THE HETEROTRIMERIC COMPLEX OF THE RGS DOMAIN OF RGS9, THE GAMMA SUBUNIT OF PHOSPHODIESTERASE AND THE GT/I1 CHIMERA ALPHA SUBUNIT [(RGS9)-(PDEGAMMA)-(GT/I1ALPHA)-(GDP)-(ALF4-)-(MG2+)] Deposited 2000-09-05	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 220–298（79 aa） Fragment：UNP P04695 residues 26-215 and 295-350 linked via UNP P10824 residues 220-298	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；277 K；15.0% PEG8000, 200mM Tris pH9.0, 0.2% beta-ME, 1mM (NH4)2WS4, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 2.02 Å R-free 0.265
1FQK CRYSTAL STRUCTURE OF THE HETERODIMERIC COMPLEX OF THE RGS DOMAIN OF RGS9, AND THE GT/I1 CHIMERA ALPHA SUBUNIT [(RGS9)-(GT/I1ALPHA)-(GDP)-(ALF4-)-(MG2+)] Deposited 2000-09-05	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 220–298（79 aa） Fragment：UNP P04695 residues 26-215 and 295-350 linked via UNP P10824 residues 220-298	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；10.5% PEG8000, 110mM magnesium acetate, 50mM Tris pH 8.5, 0.2% beta-ME, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 2.30 Å R-free 0.268
1FQK CRYSTAL STRUCTURE OF THE HETERODIMERIC COMPLEX OF THE RGS DOMAIN OF RGS9, AND THE GT/I1 CHIMERA ALPHA SUBUNIT [(RGS9)-(GT/I1ALPHA)-(GDP)-(ALF4-)-(MG2+)] Deposited 2000-09-05	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 220–298（79 aa） Fragment：UNP P04695 residues 26-215 and 295-350 linked via UNP P10824 residues 220-298	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；10.5% PEG8000, 110mM magnesium acetate, 50mM Tris pH 8.5, 0.2% beta-ME, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 2.30 Å R-free 0.268
1GDD TERTIARY AND QUATERNARY STRUCTURAL CHANGES IN GIA1 INDUCED BY GTP HYDROLYSIS Deposited 1995-07-25	Different construct Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–353（353 aa）	Not recorded	SO4 SULFATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.20 Å R-free 0.291
1GFI STRUCTURES OF ACTIVE CONFORMATIONS OF GI ALPHA 1 AND THE MECHANISM OF GTP HYDROLYSIS Deposited 1994-11-11	Different construct Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–353（353 aa）	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.20 Å R-free 0.284
1GG2 G PROTEIN HETEROTRIMER MUTANT GI_ALPHA_1(G203A) BETA_1 GAMMA_2 WITH GDP BOUND Deposited 1996-11-13	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 A 1–353（353 aa） Fragment：ALPHA 1	Mutation：CHAIN A, G203A	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7；pH 7.0	Resolution 2.40 Å R-free 0.289
1GIA STRUCTURE OF ACTIVE CONFORMATIONS OF GIA1 AND THE MECHANISM OF GTP HYDROLYSIS Deposited 1994-07-20	Different construct Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–353（353 aa）	Not recorded	MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.00 Å R-free 0.228
1GIL STRUCTURE OF ACTIVE CONFORMATIONS OF GIA1 AND THE MECHANISM OF GTP HYDROLYSIS Deposited 1995-01-02	Different construct Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–353（353 aa）	Not recorded	MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.30 Å R-free 0.302
1GP2 G PROTEIN HETEROTRIMER GI_ALPHA_1 BETA_1 GAMMA_2 WITH GDP BOUND Deposited 1996-11-13	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 A 1–353（353 aa） Fragment：ALPHA 1	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7；pH 7.0	Resolution 2.30 Å R-free 0.307
1SHZ Crystal Structure of the p115RhoGEF rgRGS Domain in A Complex with Galpha(13):Galpha(i1) Chimera Deposited 2004-02-26	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 21–47（27 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain A 185–210（26 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain A 213–230（18 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain A 240–353（114 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13)	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；289 K；Ammonium Sulfate, Tris, Ethylene glycol , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.85 Å R-free 0.297
1SHZ Crystal Structure of the p115RhoGEF rgRGS Domain in A Complex with Galpha(13):Galpha(i1) Chimera Deposited 2004-02-26	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 21–47（27 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain D 185–210（26 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain D 213–230（18 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain D 240–353（114 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13)	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；289 K；Ammonium Sulfate, Tris, Ethylene glycol , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.85 Å R-free 0.297
1SHZ Crystal Structure of the p115RhoGEF rgRGS Domain in A Complex with Galpha(13):Galpha(i1) Chimera Deposited 2004-02-26	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 21–47（27 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain A 185–210（26 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain A 213–230（18 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain A 240–353（114 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain D 21–47（27 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain D 185–210（26 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain D 213–230（18 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13) Chain D 240–353（114 aa） Fragment：residues 21-47, 185-210, 213-230, 240-353 of Galpha(i1) and residues 64-207, 234-235, 254-262 of Galpha(13)	Not recorded	MG MAGNESIUM ION × 2 ALF TETRAFLUOROALUMINATE ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；289 K；Ammonium Sulfate, Tris, Ethylene glycol , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.85 Å R-free 0.297
1SVK Structure of the K180P mutant of Gi alpha subunit bound to AlF4 and GDP Deposited 2004-03-29	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 1–353（353 aa）	Mutation：K180P	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；293.16 K；Ammonium Sulphite, Sodium Acetate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.16K, pH 6.50	Resolution 2.00 Å R-free 0.239
1SVS Structure of the K180P mutant of Gi alpha subunit bound to GppNHp. Deposited 2004-03-29	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 1–353（353 aa）	Mutation：K180P	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293.16 K；Ammonium Sulphite, Sodium Acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.16K	Resolution 1.50 Å R-free 0.209
2BCJ Crystal Structure of G Protein-Coupled Receptor Kinase 2 in Complex with Galpha-q and Gbetagamma Subunits Deposited 2005-10-19	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric	Chain Q 1–28（28 aa）	Not recorded	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；9% PEG8000, 1M NaCl, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 3.06 Å R-free 0.292
2RGN Crystal Structure of p63RhoGEF complex with Galpha-q and RhoA Deposited 2007-10-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 1–28（28 aa） Fragment：;Chimeric protein of rat Guanine nucleotide-binding protein G(i) subunit alpha-1 N-terminal helix residues 1-28 and mouse Guanine nucleotide-binding protein G(q) subunit alpha residues 31-353,Chimeric protein of rat Guanine nucleotide-binding protein G(i) subunit alpha-1 N-terminal helix residues 1-28 and mouse Guanine nucleotide-binding protein G(q) subunit alpha residues 31-353 ;	Not recorded	ALF TETRAFLUOROALUMINATE ION × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；100 mM HEPES pH 6.5, 14.5% PEG 3350, 400 mM KCl. Drops were microseeded to obtain large crystals, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 3.50 Å R-free 0.299
2RGN Crystal Structure of p63RhoGEF complex with Galpha-q and RhoA Deposited 2007-10-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 1–28（28 aa） Fragment：;Chimeric protein of rat Guanine nucleotide-binding protein G(i) subunit alpha-1 N-terminal helix residues 1-28 and mouse Guanine nucleotide-binding protein G(q) subunit alpha residues 31-353,Chimeric protein of rat Guanine nucleotide-binding protein G(i) subunit alpha-1 N-terminal helix residues 1-28 and mouse Guanine nucleotide-binding protein G(q) subunit alpha residues 31-353 ;	Not recorded	ALF TETRAFLUOROALUMINATE ION × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；100 mM HEPES pH 6.5, 14.5% PEG 3350, 400 mM KCl. Drops were microseeded to obtain large crystals, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 3.50 Å R-free 0.299
2ZJY Structure of the K349P mutant of Gi alpha 1 subunit bound to ALF4 and GDP Deposited 2008-03-11	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 1–354（354 aa）	Mutation：K349P	ALF TETRAFLUOROALUMINATE ION × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.80 Å R-free 0.260
2ZJZ Structure of the K349P mutant of Gi alpha 1 subunit bound to GDP Deposited 2008-03-11	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 1–354（354 aa） Chain B 1–354（354 aa）	Mutation：K349P Mutation：K349P	GDP GUANOSINE-5'-DIPHOSPHATE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；pH 8.00, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.60 Å R-free 0.282
3AH8 Structure of heterotrimeric G protein Galpha-q beta gamma in complex with an inhibitor YM-254890 Deposited 2010-04-20	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 2–28（27 aa） Fragment：UNP entry P10824 residues 2-28, UNP entry P21279 residues 37-359	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 5.1；293 K；7% PEG 4000, 30% (v/v) glycerol, 70 mM acetate-NaOH, pH 5.1, VAPOR DIFFUSION, temperature 293K	Resolution 2.90 Å R-free 0.315
3D7M Crystal Structure of the G Protein Fast-Exchange Double Mutant I56C/Q333C Deposited 2008-05-21	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 1–354（354 aa）	Mutation：I56C, Q333C	MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；291 K；16% PEG 3350, 0.24 M Li(CH3COO), 0.1 M Bis-Tris, 0.01 M SrCl2, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.90 Å R-free 0.294
3FFA Crystal Structure of a fast activating G protein mutant Deposited 2008-12-02	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 33–348（316 aa）	Mutation：T329A	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；293 K；100 mM Sodium Acetate pH 5.9-6.3, 1.8-2.1 M Ammonium Sulphate, VAPOR DIFFUSION, temperature 293K, pH 6.0	Resolution 2.30 Å R-free 0.252
3FFB Gi-alpha-1 mutant in GDP bound form Deposited 2008-12-02	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 6–354（349 aa）	Mutation：T329A	GDP GUANOSINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6；293 K；100 mM Sodium Acetate pH 5.9-6.3, 1.8-2.1 M Ammonium Sulphate, VAPOR DIFFUSION, temperature 293K, pH 6.0	Resolution 2.57 Å R-free 0.226
3V00 Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation. Deposited 2011-12-07	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 C 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298	Mutation：G56P, K244H and D247N	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；295 K；1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.90 Å R-free 0.272
3V00 Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation. Deposited 2011-12-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain B 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298	Mutation：G56P, K244H and D247N	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；295 K；1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.90 Å R-free 0.272
3V00 Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation. Deposited 2011-12-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298	Mutation：G56P, K244H and D247N	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；295 K；1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.90 Å R-free 0.272
3V00 Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation. Deposited 2011-12-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Insufficient information Homooligomer；Protein × 6 PDB declaration: hexameric	Chain A 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298 Chain B 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298 Chain C 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298	Mutation：G56P, K244H and D247N Mutation：G56P, K244H and D247N Mutation：G56P, K244H and D247N	GDP GUANOSINE-5'-DIPHOSPHATE × 6	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；295 K；1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.90 Å R-free 0.272
3V00 Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation. Deposited 2011-12-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 5 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298 Chain B 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298 Chain C 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298	Mutation：G56P, K244H and D247N Mutation：G56P, K244H and D247N Mutation：G56P, K244H and D247N	GDP GUANOSINE-5'-DIPHOSPHATE × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；295 K；1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.90 Å R-free 0.272
3V00 Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation. Deposited 2011-12-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 6 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298 Chain C 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298	Mutation：G56P, K244H and D247N Mutation：G56P, K244H and D247N	GDP GUANOSINE-5'-DIPHOSPHATE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；295 K；1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.90 Å R-free 0.272
3V00 Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation. Deposited 2011-12-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 7 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric	Chain B 220–298（79 aa） Fragment：UNP P04695 1-215 & 295-350, UNP P10824 220-298	Mutation：G56P, K244H and D247N	GDP GUANOSINE-5'-DIPHOSPHATE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；295 K；1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.90 Å R-free 0.272
4N0D Crystal structure of the K345L variant of the Gi alpha1 subunit bound to GTPgammaS Deposited 2013-10-01	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 1–354（354 aa）	Mutation：K345L	SO3 SULFITE ION × 1 MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；2.2 M ammonium sulfite, pH 8.0, 20 mM magnesium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.55 Å R-free 0.187
4N0E Crystal structure of the K345L variant of the Gi alpha1 subunit bound to GDP Deposited 2013-10-01	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 1–354（354 aa）	Mutation：K345L	GDP GUANOSINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；2.0 ammonium sulfite, pH 8.0, 5 mM MgSO4, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.10 Å R-free 0.220
4PAM A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein Deposited 2014-04-09	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 1–354（354 aa）	Mutation：F336C	GDP GUANOSINE-5'-DIPHOSPHATE × 1 SO3 SULFITE ION × 1 CL CHLORIDE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；(NH4)2SO3, Sodium acetate	Resolution 2.10 Å R-free 0.218
4PAN A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein Deposited 2014-04-09	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 1–354（354 aa）	Mutation：F336Y	GDP GUANOSINE-5'-DIPHOSPHATE × 1 SO3 SULFITE ION × 1 CL CHLORIDE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；(NH4)2SO3, Sodium acetate	Resolution 2.40 Å R-free 0.232
4PAO A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein Deposited 2014-04-09	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 1–354（354 aa）	Mutation：F336C	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；(NH4)2SO3, Sodium acetate	Resolution 2.00 Å R-free 0.208
4PAQ A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein Deposited 2014-04-09	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 1–354（354 aa）	Mutation：F336Y	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；(NH4)2SO3, Sodium acetate	Resolution 2.00 Å R-free 0.207
5KDL Crystal structure of the 4 alanine insertion variant of the Gi alpha1 subunit bound to GTPgammaS Deposited 2016-06-08	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 1–354（354 aa）	Not recorded	MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；294 K；12-16 % polyethylene glycol (PEG) 2000 monomethyl ether, 18% 2-propanol and 100 mM MES (pH 6.0)	Resolution 2.67 Å R-free 0.265
5KDL Crystal structure of the 4 alanine insertion variant of the Gi alpha1 subunit bound to GTPgammaS Deposited 2016-06-08	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 1–354（354 aa）	Not recorded	MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；294 K；12-16 % polyethylene glycol (PEG) 2000 monomethyl ether, 18% 2-propanol and 100 mM MES (pH 6.0)	Resolution 2.67 Å R-free 0.265
5KDO Heterotrimeric complex of the 4 alanine insertion variant of the Gi alpha1 subunit and the Gbeta1-Ggamma1 Deposited 2016-06-08	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 A 1–354（354 aa）	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；294 K；19-24 % PEG 8000, 1-5% 2-propanolol, 1% OG, 100 mM HEPES (pH 7.0) and 100 mM NaOAc (pH 6.4)	Resolution 1.90 Å R-free 0.208
6M8H Crystal Structure of the R208Q mutant of G(i) subunit alpha-1 Deposited 2018-08-21	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 1–354（354 aa）	Mutation：R208Q	GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；297 K；2.0 M (NH4)2SO3 pH 8.0	Resolution 2.07 Å R-free 0.197
6TYL Crystal structure of mammalian Ric-8A:Galpha(i):nanobody complex Deposited 2019-08-09	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 B 1–354（354 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；285 K；1.2-1.4M Sodium Malonate	Resolution 3.30 Å R-free 0.287
6TYL Crystal structure of mammalian Ric-8A:Galpha(i):nanobody complex Deposited 2019-08-09	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain G 1–354（354 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；285 K；1.2-1.4M Sodium Malonate	Resolution 3.30 Å R-free 0.287
6UKT Cryo-EM structure of mammalian Ric-8A:Galpha(i):nanobody complex Deposited 2019-10-05	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 32–354（323 aa） Fragment：UNP residues 32-354	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.87 Å
6VMS Structure of a D2 dopamine receptor-G-protein complex in a lipid membrane Deposited 2020-01-28	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–354（354 aa）	Not recorded	08Y bromoergocryptine × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
7S0F Isoproterenol bound beta1 adrenergic receptor in complex with heterotrimeric Gi protein Deposited 2021-08-30	Different construct 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 1–354（354 aa）	Mutation：G203A	5FW ISOPRENALINE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.96 Å
7S0G Isoproterenol bound beta1 adrenergic receptor in complex with heterotrimeric Gi/s chimera protein Deposited 2021-08-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 1–343（343 aa）	Mutation：G203A	5FW ISOPRENALINE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.86 Å
9CBL Cryo-EM structure of epinephrine-bound alpha-2A-adrenergic receptor in complex with heterotrimeric Gi-protein Deposited 2024-06-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 1–354（354 aa）	Mutation：G203A	ALE L-EPINEPHRINE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
9CBM Cryo-EM structure of dexmedetomidine-bound alpha-2A-adrenergic receptor in complex with heterotrimeric Gi-protein Deposited 2024-06-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 1–354（354 aa）	Mutation：G203A	CZX 4-[(1~{S})-1-(2,3-dimethylphenyl)ethyl]-1~{H}-imidazole × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å

43 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	GNAI1_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–353； UniProt 1–353

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	1git
Deposition date deposition_date	1996-10-16
Structure title title	STRUCTURE OF GTP-BINDING PROTEIN
Keywords keywords	GTP-ASE, GTP-BINDING PROTEIN, TRANSDUCER, ADENYLATE CYCLASE, MULTIGENE FAMILY, MYRISTYLATION; GTP-BINDING PROTEIN
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	21.64 Å
Radius of gyration Rg (electron density) rg_electron	20.85 Å
Forward intensity I(0) i0	23747900.00
Molecular weight molecular_weight	36834.0 kDa
Excluded volume excluded_volume	45965 Å³
Envelope volume envelope_volume	53458 Å³
Hydration-shell volume shell_volume	21657 Å³
Envelope diameter envelope_diameter	71.5 Å
Shell Rg shell_rg	27.22 Å
Envelope Rg envelope_rg	20.99 Å
Shape Rg shape_rg	20.86 Å
Total Rg total_rg	21.63 Å
Total atoms total_atoms	2585
Residues n_residues	317
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	70.3 Å
Rg (real space) rg_real	21.61 Å
Rg uncertainty (real space) rg_real_error	0.41 Å
I(0) (real space) i0_real	2.3750e+07
I(0) uncertainty (real space) i0_real_error	3.0100e+05
Rg (reciprocal space) rg_reciprocal	21.62 Å
I(0) (reciprocal space) i0_reciprocal	23750000.0000
Solution quality estimate total_estimate	0.7403
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	25.2 Å
Skewness Skewness skewness	0.349
Kurtosis Kurtosis kurtosis	-0.259
Angular range angular_range	— – 0.3650 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	4530000.0000
Real-space data points n_real_points	68
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.866; Stabil: 1.000; Sysdev: 0.348; Positv: 1.000; Valcen: 0.994; Smooth: 0.984

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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	G PROTEIN GI ALPHA 1
Molecular weight formula_weight	40281.9 kDa
Mutation mutation	G203A
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2594

GCTLSAEDKAAVERSKMIDRNLREDGEKAAREVKLLLLGAGESGKSTIVKQMKIIHEAGYSEEECKQYKAVVYSNTIQSIIAIIRAMGRLKIDFGDAARADDARQLFVLAGAAEEGFMTAELAGVIKRLWKDSGVQACFNRSREYQLNDSAAYYLNDLDRIAQPNYIPTQQDVLRTRVKTTGIVETHFTFKDLHFKMFDVGAQRSERKKWIHCFEGVTAIIFCVALSDYDLVLAEDEEMNRMHESMKLFDSICNNKWFTDTSIILFLNKKDLFEEKIKKSPLTICYPEYAGSNTYEEAAAYIQCQFEDLNKRKDTKEIYTHFTCATDTKNVQFVFDAVTDVIIKNNLKDCGLF

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI Class编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	GUANOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	443.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	9

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7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1gita1
Class class	a — All alpha proteins
Fold Fold fold	a.66 — Transducin (alpha subunit), insertion domain
Superfamily Superfamily superfamily	a.66.1 — Transducin (alpha subunit), insertion domain
Family Family family	a.66.1.1 — Transducin (alpha subunit), insertion domain

Domain ID domain_id	d1gita2
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	1gitA01
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	1gitA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	400 — GI Alpha 1, domain 2-like
Homologous superfamily homologous superfamily	10 — GI Alpha 1, domain 2-like

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8. Citations (4)

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Unit-cell length a length_a	77.100 Å
Unit-cell length b length_b	77.100 Å
Unit-cell length c length_c	144.600 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 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.1860
R_work r_work	0.1860
R_free r_free	0.2790

fit	/app/data/saxs_computation/gi/1git/1git.fit
pddf	/app/data/pr_computation/gi/1git/1git.pr.out
profile	/app/data/saxs_computation/gi/1git/1git.dat