2XNS Hydrolase Peptide date Aug 05, 2010
title Crystal Structure Of Human G Alpha I1 Bound To A Designed He Peptide Derived From The Goloco Motif Of Rgs14
authors D.Bosch, D.W.Sammond, G.L.Butterfoss, M.Machius, D.P.Siderovski,
compound source
Molecule: Guanine Nucleotide-Binding Protein G(I) Subunit A
Chain: A, B
Fragment: Residues 30-354
Synonym: Adenylate Cyclase-Inhibiting G Alpha Protein
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector: Plic His
Expression_system_plasmid: Plicgnai1

Molecule: Regulator Of G-Protein Signaling 14
Chain: C, D
Fragment: Residues 497-517
Synonym: Rgs14
Engineered: Yes
Other_details: Designed Helical Peptide Derived From Regula Protein Signaling 14 Goloco Motif Peptide

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: I 2 3
R_factor 0.223 R_Free 0.244
length a length b length c angle alpha angle beta angle gamma
265.261 265.261 265.261 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.41 Å
ligand GDP, SO4, SRT enzyme Hydrolase E.C. BRENDA
note 2XNS is a representative structure
A, B

D, C

Primary referenceComputational design of the sequence and structure of a protein-binding peptide., Sammond DW, Bosch DE, Butterfoss GL, Purbeck C, Machius M, Siderovski DP, Kuhlman B, J Am Chem Soc. 2011 Mar 30;133(12):4190-2. Epub 2011 Mar 9. PMID:21388199
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (262 Kb) [Save to disk]
  • Biological Unit Coordinates (2xns.pdb1.gz) 128 Kb
  • Biological Unit Coordinates (2xns.pdb2.gz) 127 Kb
  • LPC: Ligand-Protein Contacts for 2XNS
  • CSU: Contacts of Structural Units for 2XNS
  • Structure Factors (352 Kb)
  • Retrieve 2XNS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2XNS from S2C, [Save to disk]
  • Re-refined 2xns structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2XNS 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 2XNS
  • 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 2XNS, from MSDmotif at EBI
  • Fold representative 2xns from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2xns_D] [2xns_A] [2xns_C] [2xns] [2xns_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 2XNS: [G_alpha] [GoLoco ] by SMART
  • Other resources with information on 2XNS
  • Community annotation for 2XNS 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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