3ONW Signaling Protein date Aug 30, 2010
title Structure Of A G-Alpha-I1 Mutant With Enhanced Affinity For Goloco Motif.
authors D.Bosch, A.J.Kimple, D.W.Sammond, M.J.Miley, M.Machius, B.Kuhlman F.S.Willard, D.P.Siderovski
compound source
Molecule: Guanine Nucleotide-Binding Protein G(I) Subunit A
Chain: A, B
Synonym: Adenylate Cyclase-Inhibiting G Alpha Protein
Engineered: Yes
Mutation: 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
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plichis

Molecule: Regulator Of G-Protein Signaling 14
Chain: C, D
Synonym: Rgs14
Engineered: Yes

Synthetic: Yes
Other_details: The Rgs14 Goloco Motif Peptide Was Synthesiz According To The Human Rgs14 Sequence, Identical To That Us Entries 1kjy And 2om2.
symmetry Space Group: P 2 2 21
R_factor 0.228 R_Free 0.265
length a length b length c angle alpha angle beta angle gamma
70.392 83.679 190.148 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.38 Å
ligand GDP, SO4 enzyme Hydrolase E.C. BRENDA
A, B

D, C

Primary referenceStructural determinants of affinity enhancement between GoLoco motifs and G-protein alpha subunit mutants., Bosch DE, Kimple AJ, Sammond DW, Muller RE, Miley MJ, Machius M, Kuhlman B, Willard FS, Siderovski DP, J Biol Chem. 2010 Nov 29. PMID:21115486
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (255 Kb) [Save to disk]
  • Biological Unit Coordinates (3onw.pdb1.gz) 123 Kb
  • Biological Unit Coordinates (3onw.pdb2.gz) 124 Kb
  • LPC: Ligand-Protein Contacts for 3ONW
  • CSU: Contacts of Structural Units for 3ONW
  • Structure Factors (326 Kb)
  • Retrieve 3ONW in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3ONW from S2C, [Save to disk]
  • Re-refined 3onw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3ONW 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 3ONW
  • 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 3ONW, from MSDmotif at EBI
  • Fold representative 3onw from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3onw_D] [3onw_A] [3onw] [3onw_B] [3onw_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 3ONW: [G_alpha] [GoLoco] [small_GTPase ] by SMART
  • Other resources with information on 3ONW
  • Community annotation for 3ONW 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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