2OM2 Signaling Protein date Jan 20, 2007
title Crystal Structure Of Human G[Alpha]I1 Bound To The Goloco Motif Of Rgs14
authors D.P.Siderovski, R.J.Kimple
compound source
Molecule: Guanine Nucleotide-Binding Protein G(I), Alpha-1 Subunit;
Chain: A, C
Fragment: G{Alpha}I1
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 Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pproex Htb

Molecule: Regulator Of G-Protein Signalling 14 Goloco Motif Peptide;
Chain: B, D
Engineered: Yes

Synthetic: Yes
Other_details: The Peptide Was Chemically Synthesized. The Sequence Occurs Naturally In Homo Sapiens (Human).
symmetry Space Group: P 2 2 21
R_factor 0.227 R_Free 0.260
length a length b length c angle alpha angle beta angle gamma
69.592 82.311 187.566 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand GDP, MG enzyme
A, C

D, B

Primary referenceStructure-based Protocol for Identifying Mutations that Enhance Protein-Protein Binding Affinities., Sammond DW, Eletr ZM, Purbeck C, Kimple RJ, Siderovski DP, Kuhlman B, J Mol Biol. 2007 Jun 8;. PMID:17603074
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (127 Kb) [Save to disk]
  • Biological Unit Coordinates (2om2.pdb1.gz) 63 Kb
  • Biological Unit Coordinates (2om2.pdb2.gz) 63 Kb
  • LPC: Ligand-Protein Contacts for 2OM2
  • CSU: Contacts of Structural Units for 2OM2
  • Likely Quarternary Molecular Structure file(s) for 2OM2
  • Structure Factors (953 Kb)
  • Retrieve 2OM2 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2OM2 from S2C, [Save to disk]
  • Re-refined 2om2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2OM2 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 2OM2
  • 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 2OM2, from MSDmotif at EBI
  • Fold representative 2om2 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2om2] [2om2_B] [2om2_A] [2om2_C] [2om2_D]
  • SWISS-PROT database: [P63096] [O43566]
  • Domain organization of [GNAI1_HUMAN] [RGS14_HUMAN] by SWISSPFAM
  • Domains found in 2OM2: [G_alpha] [GoLoco ] by SMART
  • Other resources with information on 2OM2
  • Community annotation for 2OM2 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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