3V00
 
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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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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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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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6AU6
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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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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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4FID
 | | Crystal structure of a heterotrimeric G-Protein subunit from entamoeba histolytica, EHG-ALPHA-1 | | Descriptor: | G protein alpha subunit, GUANOSINE-5'-DIPHOSPHATE | | Authors: | Bosch, D.E, Kimple, A.J, Muller, R.E, Gigure, P.M, Willard, F.S, Machius, M, Temple, B.R, Siderovski, D.P. | | Deposit date: | 2012-06-08 | | Release date: | 2012-11-28 | | Last modified: | 2013-06-26 | | Method: | X-RAY DIFFRACTION (2.62 Å) | | Cite: | Heterotrimeric G-protein Signaling Is Critical to Pathogenic Processes in Entamoeba histolytica.
Plos Pathog., 8, 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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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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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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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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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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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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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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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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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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1TAD
 | | GTPASE MECHANISM OF GPROTEINS FROM THE 1.7-ANGSTROM CRYSTAL STRUCTURE OF TRANSDUCIN ALPHA-GDP-ALF4- | | Descriptor: | CACODYLATE ION, CALCIUM ION, GUANOSINE-5'-DIPHOSPHATE, ... | | Authors: | Sondek, J, Lambright, D.G, Noel, J.P, Hamm, H.E, Sigler, P.B. | | Deposit date: | 1995-01-05 | | Release date: | 1995-05-08 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | GTPase mechanism of Gproteins from the 1.7-A crystal structure of transducin alpha-GDP-AIF-4.
Nature, 372, 1994
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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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1TAG
 | | STRUCTURAL DETERMINANTS FOR ACTIVATION OF THE ALPHA-SUBUNIT OF A HETEROTRIMERIC G PROTEIN | | Descriptor: | GUANOSINE-5'-DIPHOSPHATE, MAGNESIUM ION, TRANSDUCIN-ALPHA | | Authors: | Lambright, D.G, Noel, J.P, Hamm, H.E, Sigler, P.B. | | Deposit date: | 1994-11-23 | | Release date: | 1995-02-07 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Structural determinants for activation of the alpha-subunit of a heterotrimeric G protein.
Nature, 369, 1994
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