3KTR Protein Binding date Nov 25, 2009
title Structural Basis Of Ataxin-2 Recognition By Poly(A)-Binding
authors G.Kozlov, K.Gehring
compound source
Molecule: Polyadenylate-Binding Protein 1
Chain: A
Fragment: C-Terminal Domain
Synonym: Poly(A)-Binding Protein 1, Pabp 1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Pabpc1, Pab1, Pabp1, Pabpc2
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-6p-1

Molecule: Ataxin-2
Chain: B
Fragment: Pabpc1-Binding Fragment
Synonym: Spinocerebellar Ataxia Type 2 Protein, Trinucleoti Containing Gene 13 Protein;
Engineered: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: Chemically Synthesized
symmetry Space Group: P 21 21 2
R_factor 0.212 R_Free 0.245
length a length b length c angle alpha angle beta angle gamma
39.093 60.745 31.520 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand CD, SO4 enzyme

Primary referenceStructural basis of binding of P-body associated proteins GW182 and Ataxin-2 by the Mlle domain of poly(A)-binding protein., Kozlov G, Safaee N, Rosenauer A, Gehring K, J Biol Chem. 2010 Feb 24. PMID:20181956
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (22 Kb) [Save to disk]
  • Biological Unit Coordinates (3ktr.pdb1.gz) 17 Kb
  • LPC: Ligand-Protein Contacts for 3KTR
  • CSU: Contacts of Structural Units for 3KTR
  • Structure Factors (117 Kb)
  • Retrieve 3KTR in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3KTR from S2C, [Save to disk]
  • Re-refined 3ktr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3KTR 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 3KTR
  • 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 3KTR, from MSDmotif at EBI
  • Fold representative 3ktr from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3ktr] [3ktr_B] [3ktr_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3KTR: [PolyA ] by SMART
  • Other resources with information on 3KTR
  • Community annotation for 3KTR 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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