8OY1
 
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6AU6
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1GIL
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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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3QE0
 | | A Galpha-i1 P-loop mutation prevents transition to the activated state | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, KB752 peptide, ... | | Authors: | Bosch, D.E, Willard, F.S, Kimple, A.J, Miley, M.J, Siderovski, D.P. | | Deposit date: | 2011-01-19 | | Release date: | 2012-01-25 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | A P-loop Mutation in Galpha Subunits Prevents Transition to the Active State: Implications for G-protein Signaling in Fungal Pathogenesis
Plos Pathog., 8, 2012
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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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1Y3A
 | | Structure of G-Alpha-I1 bound to a GDP-selective peptide provides insight into guanine nucleotide exchange | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit, ... | | Authors: | Johnston, C.A, Willard, F.S, Jezyk, M.R, Fredericks, Z, Bodor, E.T, Jones, M.B, Blaesius, R, Harden, T.K, Sondek, J, Watts, V.J, Ramer, J.K, Siderovski, D.P. | | Deposit date: | 2004-11-24 | | Release date: | 2005-07-12 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Structure of G-Alpha-I1 bound to a GDP-selective peptide provides insight into guanine nucleotide exchange
Structure, 7, 2005
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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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1ZCA
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5JS7
 | | Structural model of a apo G-protein alpha subunit determined with NMR residual dipolar couplings and SAXS | | Descriptor: | Guanine nucleotide-binding protein G(i) subunit alpha-1 | | Authors: | Goricanec, D, Stehle, R, Grigoriu, S, Wagner, G, Hagn, F. | | Deposit date: | 2016-05-07 | | Release date: | 2016-06-29 | | Last modified: | 2024-06-19 | | Method: | SOLUTION NMR | | Cite: | Conformational dynamics of a G-protein alpha subunit is tightly regulated by nucleotide binding.
Proc.Natl.Acad.Sci.USA, 113, 2016
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5JS8
 | | Structural Model of a Protein alpha subunit in complex with GDP obtained with SAXS and NMR residual couplings | | Descriptor: | Guanine nucleotide-binding protein G(i) subunit alpha-1 | | Authors: | Goricanec, D, Stehle, R, Grigoriu, S, Wagner, G, Hagn, F. | | Deposit date: | 2016-05-07 | | Release date: | 2016-06-29 | | Last modified: | 2024-06-19 | | Method: | SOLUTION NMR | | Cite: | Conformational dynamics of a G-protein alpha subunit is tightly regulated by nucleotide binding.
Proc.Natl.Acad.Sci.USA, 113, 2016
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5KDL
 | | Crystal structure of the 4 alanine insertion 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: | 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 (2.665 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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3V00
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3UMS
 | | Crystal structure of the G202A mutant of human G-alpha-i1 | | Descriptor: | CHLORIDE ION, GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i) subunit alpha-1, ... | | Authors: | Lambert, N.A, Johnston, C.A, Cappell, S.D, Kuravi, S, Kimple, A.J, Willard, F.S, Siderovski, D.P. | | Deposit date: | 2011-11-14 | | Release date: | 2012-02-08 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (2.343 Å) | | Cite: | Correction for Regulators of G-protein Signaling accelerate GPCR signaling kinetics and govern sensitivity solely by accelerating GTPase activity
Proc.Natl.Acad.Sci.USA, 2012
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3UMR
 | | Crystal structure of the G202D mutant of human G-alpha-i1 | | Descriptor: | CHLORIDE ION, GLYCEROL, GUANOSINE-5'-DIPHOSPHATE, ... | | Authors: | Johnston, C.A, Afshar, K, Snyder, J.T, Tall, G.G, Gonczy, P, Siderovski, D.P, Willard, F.S. | | Deposit date: | 2011-11-14 | | Release date: | 2012-10-24 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (2.04 Å) | | Cite: | Structural Determinants Underlying the Temperature-sensitive Nature of a G-alpha Mutant in Asymmetric Cell Division of Caenorhabditis elegans
To be Published
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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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2G83
 | | Structure of activated G-alpha-i1 bound to a nucleotide-state-selective peptide: Minimal determinants for recognizing the active form of a G protein alpha subunit | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit, ... | | Authors: | Johnston, C.A, Ramer, J.K, Blaesius, R, Kuhlman, B, Arshavsky, V.Y, Siderovski, D.P. | | Deposit date: | 2006-03-01 | | Release date: | 2006-10-10 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | Minimal Determinants for Binding Activated Galpha from the Structure of a Galpha(i1)-Peptide Dimer.
Biochemistry, 45, 2006
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1AZT
 | | GS-ALPHA COMPLEXED WITH GTP-GAMMA-S | | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, GS-ALPHA, MAGNESIUM ION, ... | | Authors: | Tesmer, J.J.G, Sprang, S.R. | | Deposit date: | 1997-11-20 | | Release date: | 1998-02-25 | | Last modified: | 2024-05-22 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Crystal structure of the adenylyl cyclase activator Gsalpha
Science, 278, 1997
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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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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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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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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: | 2024-05-22 | | 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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2XTZ
 | | Crystal structure of the G alpha protein AtGPA1 from Arabidopsis thaliana | | Descriptor: | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE, CHLORIDE ION, GUANINE NUCLEOTIDE-BINDING PROTEIN ALPHA-1 SUBUNIT, ... | | Authors: | Jones, J.C, Duffy, J.W, Machius, M, Temple, B.R.S, Dohlman, H.G, Jones, A.M. | | Deposit date: | 2010-10-13 | | Release date: | 2011-02-16 | | Last modified: | 2023-12-20 | | Method: | X-RAY DIFFRACTION (2.34 Å) | | Cite: | The Crystal Structure of a Self-Activating G Protein Alpha Subunit Reveals its Distinct Mechanism of Signal Initiation
Sci.Signal., 159, 2011
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2ZJZ
 | | Structure of the K349P mutant of Gi alpha 1 subunit bound to GDP | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit | | Authors: | Morikawa, T, Muroya, A, Sugio, S, Wakamatsu, K, Kohno, T. | | Deposit date: | 2008-03-11 | | Release date: | 2009-03-24 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | How GPCRs activate G proteins: Structural changes from C-terminal tail to GDP binding pocket
To be Published
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2ZJY
 | | Structure of the K349P mutant of Gi alpha 1 subunit bound to ALF4 and GDP | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, Guanine nucleotide-binding protein G(i), alpha-1 subunit, ... | | Authors: | Morikawa, T, Muroya, A, Sugio, S, Wakamatsu, K, Kohno, T. | | Deposit date: | 2008-03-11 | | Release date: | 2009-03-24 | | Last modified: | 2024-05-29 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | How GPCRs activate G proteins: Structural changes form C-terminal tail to GDP binding pocket
To be Published
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