2GTP Signaling Protein date Apr 28, 2006
title Crystal Structure Of The Heterodimeric Complex Of Human Rgs1 Activated Gi Alpha 1
authors M.Soundararajan, A.P.Turnbull, E.Ugochukwu, F.Gorrec, F.Von Delf J.Weigelt, A.Edwards, C.Arrowsmith, M.Sundstrom, D.A.Doyle, Stru Genomics Consortium (Sgc)
compound source
Molecule: Guanine Nucleotide-Binding Protein G(I), Alpha-1
Chain: A, B
Synonym: Adenylate Cyclase-Inhibiting G Alpha Protein
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Gnai1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)R3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pnic28-Bsa4

Molecule: Regulator Of G-Protein Signaling 1
Chain: C, D
Synonym: Rgs1, Early Response Protein 1r20, B-Cell Activati Bl34;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Rgs1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)R3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pnic28-Bsa4
symmetry Space Group: P 21 21 21
R_factor 0.226 R_Free 0.276
crystal
cell
length a length b length c angle alpha angle beta angle gamma
90.451 102.904 128.761 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.55 Å
ligand ALF, GDP, MG enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


D, C


Primary referenceStructural diversity in the RGS domain and its interaction with heterotrimeric G protein alpha-subunits., Soundararajan M, Willard FS, Kimple AJ, Turnbull AP, Ball LJ, Schoch GA, Gileadi C, Fedorov OY, Dowler EF, Higman VA, Hutsell SQ, Sundstrom M, Doyle DA, Siderovski DP, Proc Natl Acad Sci U S A. 2008 Apr 29;105(17):6457-62. Epub 2008 Apr 23. PMID:18434541
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (153 Kb) [Save to disk]
  • Biological Unit Coordinates (2gtp.pdb1.gz) 73 Kb
  • Biological Unit Coordinates (2gtp.pdb2.gz) 74 Kb
  • LPC: Ligand-Protein Contacts for 2GTP
  • CSU: Contacts of Structural Units for 2GTP
  • Likely Quarternary Molecular Structure file(s) for 2GTP
  • Structure Factors (301 Kb)
  • Retrieve 2GTP in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2GTP from S2C, [Save to disk]
  • Re-refined 2gtp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2GTP in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 2GTP
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2GTP, from MSDmotif at EBI
  • Fold representative 2gtp from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2gtp_C] [2gtp_A] [2gtp_B] [2gtp_D] [2gtp]
  • SWISS-PROT database: [P63096] [Q08116]
  • Domain organization of [GNAI1_HUMAN] [RGS1_HUMAN] by SWISSPFAM
  • Domains found in 2GTP: [G_alpha] [RGS ] by SMART
  • Other resources with information on 2GTP
  • Community annotation for 2GTP at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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