1CIP
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1SVS
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![BU of 1svs by Molmil](/molmil-images/mine/1svs) | Structure of the K180P mutant of Gi alpha subunit bound to GppNHp. | Descriptor: | Guanine nucleotide-binding protein G(i), alpha-1 subunit, MAGNESIUM ION, ... | Authors: | Thomas, C.J, Du, X, Li, P, Wang, Y, Ross, E.M, Sprang, S.R. | Deposit date: | 2004-03-29 | Release date: | 2004-06-01 | Last modified: | 2024-02-14 | Method: | X-RAY DIFFRACTION (1.5 Å) | Cite: | Uncoupling conformational change from GTP hydrolysis in a heterotrimeric G protein {alpha}-subunit. Proc.Natl.Acad.Sci.USA, 101, 2004
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4N0D
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![BU of 4n0d by Molmil](/molmil-images/mine/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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5KDO
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![BU of 5kdo by Molmil](/molmil-images/mine/5kdo) | Heterotrimeric complex of the 4 alanine insertion variant of the Gi alpha1 subunit and the Gbeta1-Ggamma1 | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1, Guanine nucleotide-binding protein G(T) subunit gamma-T1, ... | Authors: | Kaya, A.I, Lokits, A.D, Gilbert, J, Iverson, T.M, Meiler, J, Hamm, H.E. | Deposit date: | 2016-06-08 | Release date: | 2016-08-03 | Last modified: | 2023-09-27 | Method: | X-RAY DIFFRACTION (1.9 Å) | Cite: | A Conserved Hydrophobic Core in G alpha i1 Regulates G Protein Activation and Release from Activated Receptor. J.Biol.Chem., 291, 2016
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1GIA
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1SVK
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![BU of 1svk by Molmil](/molmil-images/mine/1svk) | Structure of the K180P mutant of Gi alpha subunit bound to AlF4 and GDP | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit, ... | Authors: | Thomas, C.J, Du, X, Li, P, Wang, Y, Ross, E.M, Sprang, S.R. | Deposit date: | 2004-03-29 | Release date: | 2004-06-01 | Last modified: | 2023-08-23 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Uncoupling conformational change from GTP hydrolysis in a heterotrimeric G protein {alpha}-subunit. Proc.Natl.Acad.Sci.USA, 101, 2004
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1ZCB
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![BU of 1zcb by Molmil](/molmil-images/mine/1zcb) | Crystal structure of G alpha 13 in complex with GDP | Descriptor: | G alpha i/13, GUANOSINE-5'-DIPHOSPHATE | Authors: | Nance, M.R, Tesmer, J.J.G. | Deposit date: | 2005-04-11 | Release date: | 2005-11-15 | Last modified: | 2023-08-23 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | A new approach to producing functional G alpha subunits yields the activated and deactivated structures of G alpha(12/13) proteins. Biochemistry, 45, 2006
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3CX8
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1AS0
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![BU of 1as0 by Molmil](/molmil-images/mine/1as0) | GTP-GAMMA-S BOUND G42V GIA1 | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, GIA1, MAGNESIUM 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: | 2024-05-22 | Method: | X-RAY DIFFRACTION (2 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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4PAQ
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![BU of 4paq by Molmil](/molmil-images/mine/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
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![BU of 4pao by Molmil](/molmil-images/mine/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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1FQJ
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![BU of 1fqj by Molmil](/molmil-images/mine/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+)] | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(t) subunit alpha-1,Guanine nucleotide-binding protein G(i) subunit alpha-1,Guanine nucleotide-binding protein G(t) subunit alpha-1, MAGNESIUM ION, ... | Authors: | Slep, K.C, Kercher, M.A, He, W, Cowan, C.W, Wensel, T.G, Sigler, P.B. | Deposit date: | 2000-09-05 | Release date: | 2001-02-28 | Last modified: | 2024-02-07 | Method: | X-RAY DIFFRACTION (2.02 Å) | Cite: | Structural determinants for regulation of phosphodiesterase by a G protein at 2.0 A. Nature, 409, 2001
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6M8H
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![BU of 6m8h by Molmil](/molmil-images/mine/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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4N0E
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![BU of 4n0e by Molmil](/molmil-images/mine/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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1BH2
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![BU of 1bh2 by Molmil](/molmil-images/mine/1bh2) | A326S MUTANT OF AN INHIBITORY ALPHA SUBUNIT | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, GUANINE NUCLEOTIDE-BINDING PROTEIN, MAGNESIUM ION | Authors: | Mixon, M.B, Posner, B.A, Wall, M.A, Gilman, A.G, Sprang, S.R. | Deposit date: | 1998-06-12 | Release date: | 1998-11-04 | Last modified: | 2024-05-22 | Method: | X-RAY DIFFRACTION (2.1 Å) | Cite: | The A326S mutant of Gialpha1 as an approximation of the receptor-bound state. J.Biol.Chem., 273, 1998
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4PAM
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![BU of 4pam by Molmil](/molmil-images/mine/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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1GFI
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![BU of 1gfi by Molmil](/molmil-images/mine/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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1BOF
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![BU of 1bof by Molmil](/molmil-images/mine/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: | 2024-05-22 | 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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3CX7
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3FFA
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![BU of 3ffa by Molmil](/molmil-images/mine/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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1FQK
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![BU of 1fqk by Molmil](/molmil-images/mine/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+)] | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(t) subunit alpha-1,Guanine nucleotide-binding protein G(i) subunit alpha-1,Guanine nucleotide-binding protein G(t) subunit alpha-1, MAGNESIUM ION, ... | Authors: | Slep, K.C, Kercher, M.A, He, W, Cowan, C.W, Wensel, T.G, Sigler, P.B. | Deposit date: | 2000-09-05 | Release date: | 2001-02-28 | Last modified: | 2024-02-07 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | Structural determinants for regulation of phosphodiesterase by a G protein at 2.0 A. Nature, 409, 2001
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1GIL
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1GP2
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1GG2
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