2G83
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![BU of 2g83 by Molmil](/molmil-images/mine/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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3V00
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3UMS
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![BU of 3ums by Molmil](/molmil-images/mine/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
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![BU of 3umr by Molmil](/molmil-images/mine/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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2XTZ
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![BU of 2xtz by Molmil](/molmil-images/mine/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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5KDL
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![BU of 5kdl by Molmil](/molmil-images/mine/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
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![BU of 5js7 by Molmil](/molmil-images/mine/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
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![BU of 5js8 by Molmil](/molmil-images/mine/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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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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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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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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3QE0
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![BU of 3qe0 by Molmil](/molmil-images/mine/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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1ZCA
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![BU of 1zca by Molmil](/molmil-images/mine/1zca) | |
1Y3A
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![BU of 1y3a by Molmil](/molmil-images/mine/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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6AU6
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![BU of 6au6 by Molmil](/molmil-images/mine/6au6) | |
7BPH
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![BU of 7bph by Molmil](/molmil-images/mine/7bph) | |
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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3D7M
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![BU of 3d7m by Molmil](/molmil-images/mine/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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4FID
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![BU of 4fid by Molmil](/molmil-images/mine/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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3FFB
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![BU of 3ffb by Molmil](/molmil-images/mine/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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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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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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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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4PAN
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![BU of 4pan by Molmil](/molmil-images/mine/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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1TAG
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![BU of 1tag by Molmil](/molmil-images/mine/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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