1AS2
 
 | | GDP+PI BOUND G42V GIA1 | | Descriptor: | GIA1, GUANOSINE-5'-DIPHOSPHATE, PHOSPHATE ION | | Authors: | Raw, A.S, Coleman, D.E, Gilman, A.G, Sprang, S.R. | | Deposit date: | 1997-08-11 | | Release date: | 1997-11-12 | | Last modified: | 2023-08-02 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | Structural and biochemical characterization of the GTPgammaS-, GDP.Pi-, and GDP-bound forms of a GTPase-deficient Gly42 --> Val mutant of Gialpha1.
Biochemistry, 36, 1997
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1BOF
 | | GI-ALPHA-1 BOUND TO GDP AND MAGNESIUM | | Descriptor: | GI ALPHA 1, GUANOSINE-5'-DIPHOSPHATE, MAGNESIUM ION, ... | | Authors: | Coleman, D.E, Sprang, S.R. | | Deposit date: | 1998-08-04 | | Release date: | 1999-01-06 | | Last modified: | 2023-08-09 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Crystal structures of the G protein Gi alpha 1 complexed with GDP and Mg2+: a crystallographic titration experiment.
Biochemistry, 37, 1998
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1CIP
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4N0E
 | | Crystal structure of the K345L variant of the Gi alpha1 subunit bound to GDP | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, SULFATE ION | | Authors: | Thaker, T.M, Preininger, A.M, Sarwar, M, Hamm, H.E, Iverson, T.M. | | Deposit date: | 2013-10-01 | | Release date: | 2014-03-12 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | A Transient Interaction between the Phosphate Binding Loop and Switch I Contributes to the Allosteric Network between Receptor and Nucleotide in G alpha i1.
J.Biol.Chem., 289, 2014
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4N0D
 | | Crystal structure of the K345L variant of the Gi alpha1 subunit bound to GTPgammaS | | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, MAGNESIUM ION, ... | | Authors: | Thaker, T.M, Preininger, A.M, Sarwar, M, Hamm, H.E, Iverson, T.M. | | Deposit date: | 2013-10-01 | | Release date: | 2014-03-12 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (1.55 Å) | | Cite: | A Transient Interaction between the Phosphate Binding Loop and Switch I Contributes to the Allosteric Network between Receptor and Nucleotide in G alpha i1.
J.Biol.Chem., 289, 2014
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4PAN
 | | A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein | | Descriptor: | CHLORIDE ION, GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, ... | | Authors: | Kaya, A.I, Lokits, A.D, Gilbert, J, Iverson, T.M, Meiler, J, Hamm, H.E. | | Deposit date: | 2014-04-09 | | Release date: | 2014-07-30 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | A Conserved Phenylalanine as a Relay between the alpha 5 Helix and the GDP Binding Region of Heterotrimeric Gi Protein alpha Subunit.
J.Biol.Chem., 289, 2014
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4PAQ
 | | A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein | | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, MAGNESIUM ION | | Authors: | Kaya, A.I, Lokits, A.D, Gilbert, J, Iverson, T.M, Meiler, J, Hamm, H.E. | | Deposit date: | 2014-04-09 | | Release date: | 2014-07-30 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | A Conserved Phenylalanine as a Relay between the alpha 5 Helix and the GDP Binding Region of Heterotrimeric Gi Protein alpha Subunit.
J.Biol.Chem., 289, 2014
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4PAO
 | | A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein | | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, MAGNESIUM ION | | Authors: | Kaya, A.I, Lokits, A.D, Gilbert, J, Iverson, T.M, Meiler, J, Hamm, H.E. | | Deposit date: | 2014-04-09 | | Release date: | 2014-07-30 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (2.003 Å) | | Cite: | A Conserved Phenylalanine as a Relay between the alpha 5 Helix and the GDP Binding Region of Heterotrimeric Gi Protein alpha Subunit.
J.Biol.Chem., 289, 2014
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4PAM
 | | A conserved phenylalanine as relay between the 5 helix and the GDP binding region of heterotrimeric G protein | | Descriptor: | CHLORIDE ION, GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, ... | | Authors: | Kaya, A.I, Lokits, A.D, Gilbert, J, Iverson, T.M, Meiler, J, Hamm, H.E. | | Deposit date: | 2014-04-09 | | Release date: | 2014-07-30 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (2.101 Å) | | Cite: | A Conserved Phenylalanine as a Relay between the alpha 5 Helix and the GDP Binding Region of Heterotrimeric Gi Protein alpha Subunit.
J.Biol.Chem., 289, 2014
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1GDD
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1GIT
 | | STRUCTURE OF GTP-BINDING PROTEIN | | Descriptor: | G PROTEIN GI ALPHA 1, GUANOSINE-5'-DIPHOSPHATE, PHOSPHATE ION | | Authors: | Berghuis, A.M, Lee, E, Sprang, S.R. | | Deposit date: | 1996-10-16 | | Release date: | 1997-02-12 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Structure of the GDP-Pi complex of Gly203-->Ala gialpha1: a mimic of the ternary product complex of galpha-catalyzed GTP hydrolysis.
Structure, 4, 1996
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1GIL
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1GIA
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1GFI
 | | STRUCTURES OF ACTIVE CONFORMATIONS OF GI ALPHA 1 AND THE MECHANISM OF GTP HYDROLYSIS | | Descriptor: | GUANINE NUCLEOTIDE-BINDING PROTEIN G, GUANOSINE-5'-DIPHOSPHATE, MAGNESIUM ION, ... | | Authors: | Coleman, D.E, Berghuis, A.M, Sprang, S.R. | | Deposit date: | 1994-11-11 | | Release date: | 1995-03-31 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Structures of active conformations of Gi alpha 1 and the mechanism of GTP hydrolysis.
Science, 265, 1994
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3D7M
 | | Crystal Structure of the G Protein Fast-Exchange Double Mutant I56C/Q333C | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit, ... | | Authors: | Funk, M.A, Preininger, A.M, Oldham, W.M, Meier, S.M, Hamm, H.E, Iverson, T.M. | | Deposit date: | 2008-05-21 | | Release date: | 2009-03-03 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2.9 Å) | | Cite: | Helix dipole movement and conformational variability contribute to allosteric GDP release in Galphai subunits.
Biochemistry, 48, 2009
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3FFA
 | | Crystal Structure of a fast activating G protein mutant | | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit, ... | | Authors: | Chauhan, R, Kapoor, N. | | Deposit date: | 2008-12-02 | | Release date: | 2009-10-06 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Structural evidence for a sequential release mechanism for activation of heterotrimeric g proteins.
J.Mol.Biol., 393, 2009
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3FFB
 | | Gi-alpha-1 mutant in GDP bound form | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit, ... | | Authors: | Chauhan, R, Kapoor, N. | | Deposit date: | 2008-12-02 | | Release date: | 2009-10-06 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.57 Å) | | Cite: | Structural evidence for a sequential release mechanism for activation of heterotrimeric g proteins.
J.Mol.Biol., 393, 2009
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6M8H
 | | Crystal Structure of the R208Q mutant of G(i) subunit alpha-1 | | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, MAGNESIUM ION | | Authors: | Mascarenhas, R, Goossens, J, Leverson, B, Kothawala, S, Ballicora, M, Olsen, K, de freitas, D, Liu, D. | | Deposit date: | 2018-08-21 | | Release date: | 2019-08-21 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (2.07 Å) | | Cite: | FUNCTIONAL CONSEQUENCES OF ONCOGENIC MUTATIONS IN THE SWITCH II REGION OF Galphai1 and Galphas PROTEINS
To Be Published
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6MHE
 | | Galphai3 co-crystallized with KB752 | | Descriptor: | GLYCEROL, GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(k) subunit alpha, ... | | Authors: | Rees, S.D, Kalogriopoulos, N.A, Ngo, T, Kopcho, N, Ilatovskiy, A, Sun, N, Komives, E, Chang, G, Ghosh, P, Kufareva, I. | | Deposit date: | 2018-09-17 | | Release date: | 2019-07-31 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Structural basis for GPCR-independent activation of heterotrimeric Gi proteins.
Proc.Natl.Acad.Sci.USA, 116, 2019
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6MHF
 | | Galphai3 co-crystallized with GIV/Girdin | | Descriptor: | GLYCEROL, GUANOSINE-5'-DIPHOSPHATE, Girdin, ... | | Authors: | Rees, S.D, Kalogriopoulos, N.A, Ngo, T, Kopcho, N, Ilatovskiy, A, Sun, N, Komives, E, Chang, G, Ghosh, P, Kufareva, I. | | Deposit date: | 2018-09-17 | | Release date: | 2019-07-31 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Structural basis for GPCR-independent activation of heterotrimeric Gi proteins.
Proc.Natl.Acad.Sci.USA, 116, 2019
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7BPH
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7E5E
 | | Crystal structure of GDP-bound GNAS in complex with the cyclic peptide inhibitor GD20 | | Descriptor: | CHLORIDE ION, GD20, GUANOSINE-5'-DIPHOSPHATE, ... | | Authors: | Hu, Q, Dai, S, Shokat, K.M. | | Deposit date: | 2021-02-18 | | Release date: | 2022-03-02 | | Last modified: | 2023-11-29 | | Method: | X-RAY DIFFRACTION (1.95 Å) | | Cite: | State-selective modulation of heterotrimeric G alpha s signaling with macrocyclic peptides.
Cell, 185, 2022
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8HTG
 | | Crystal structure of Golf in complex with GTP-gamma S and Mg | | Descriptor: | 1,2-ETHANEDIOL, 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, Guanine nucleotide-binding protein G(olf) subunit alpha, ... | | Authors: | Kang, H, Choi, H.-J. | | Deposit date: | 2022-12-21 | | Release date: | 2023-12-20 | | Method: | X-RAY DIFFRACTION (2.91 Å) | | Cite: | Understanding the molecular mechanisms of odorant binding and activation of the human OR52 family.
Nat Commun, 14, 2023
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8JPE
 | | Focused refinement structure of Galpha(q) in NTSR1-GRK2-Galpha(q) complexes | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(q) subunit alpha, MAGNESIUM ION, ... | | Authors: | Duan, J, Liu, H, Zhao, F, Yuan, Q, Ji, Y, Xu, H.E. | | Deposit date: | 2023-06-11 | | Release date: | 2023-08-09 | | Last modified: | 2023-08-30 | | Method: | ELECTRON MICROSCOPY (2.91 Å) | | Cite: | GPCR activation and GRK2 assembly by a biased intracellular agonist.
Nature, 620, 2023
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1KJY
 | | Crystal Structure of Human G[alpha]i1 Bound to the GoLoco Motif of RGS14 | | Descriptor: | CESIUM ION, GUANINE NUCLEOTIDE-BINDING PROTEIN G(I), ALPHA-1 SUBUNIT, ... | | Authors: | Kimple, R.J, Kimple, M.E, Betts, L, Sondek, J, Siderovski, D.P. | | Deposit date: | 2001-12-05 | | Release date: | 2002-05-08 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (2.7 Å) | | Cite: | Structural determinants for GoLoco-induced inhibition of nucleotide release by Galpha subunits.
Nature, 416, 2002
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