1CIP
 
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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
 | | 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
 | | 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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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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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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1GIA
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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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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
 | | 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
 | | 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
 | | 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
 | | 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
 | | 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
 | | 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
 | | 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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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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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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1GIL
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1GP2
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1AS3
 | | GDP BOUND G42V GIA1 | | Descriptor: | GIA1, GUANOSINE-5'-DIPHOSPHATE, SULFATE 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 (2.4 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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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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1GG2
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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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