2IHB Signaling Protein date Sep 26, 2006
title Crystal Structure Of The Heterodimeric Complex Of Human Rgs1 Activated Gi Alpha 3
authors M.Soundararajan, A.P.Turnbull, E.Papagrigoriou, A.C.W.Pike, G.Bu E.Ugochukwu, F.Gorrec, F.Von Delft, J.Weigelt, A.Edwards, C.Arro M.Sundstrom, D.A.Doyle, Structural Genomics Consortium (Sgc)
compound source
Molecule: Guanine Nucleotide-Binding Protein G(K) Subunit A
Chain: A
Synonym: Gi, Alpha-3
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Gnai3
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 Signalling 10
Chain: B
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Rgs10
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 43 21 2
R_factor 0.208 R_Free 0.236
crystal
cell
length a length b length c angle alpha angle beta angle gamma
100.628 100.628 145.359 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.71 Å
ligand ALF, GDP, MG enzyme
Gene
Ontology
ChainFunctionProcessComponent
A


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] (75 Kb) [Save to disk]
  • Biological Unit Coordinates (2ihb.pdb1.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 2IHB
  • CSU: Contacts of Structural Units for 2IHB
  • Likely Quarternary Molecular Structure file(s) for 2IHB
  • Structure Factors (156 Kb)
  • Retrieve 2IHB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2IHB from S2C, [Save to disk]
  • Re-refined 2ihb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2IHB 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 2IHB
  • 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 2IHB, from MSDmotif at EBI
  • Fold representative 2ihb from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ihb_A] [2ihb] [2ihb_B]
  • SWISS-PROT database: [P08754] [O43665]
  • Domain organization of [GNAI3_HUMAN] [RGS10_HUMAN] by SWISSPFAM
  • Domains found in 2IHB: [G_alpha] [RGS ] by SMART
  • Alignments of the sequence of 2IHB with the sequences similar proteins can be viewed for 2IHB's classification [GNAI3_HUMAN] [RGS10_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [GNAI3_HUMAN] [RGS10_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 2IHB
  • Community annotation for 2IHB 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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