2PQU Rna And Dna Binding Protein Dna date May 02, 2007
title Crystal Structure Of Kh1 Domain Of Human Pcbp2 Complexed To Stranded 12-Mer Telomeric Dna
authors T.L.James, J.Lee
compound source
Molecule: 12-Mer C-Rich Strand Of Human Telomeric Dna
Chain: E, G
Engineered: Yes
Synthetic: Yes

Molecule: Poly(Rc)-Binding Protein 2
Chain: A, B, C, D
Fragment: First Kh Domain Of Human Poly(C)-Binding Protein
Synonym: Alpha-Cp2, Hnrnp-E2
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Pcbp2
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet24a
symmetry Space Group: P 21 21 2
R_factor 0.215 R_Free 0.268
length a length b length c angle alpha angle beta angle gamma
92.228 58.606 71.738 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.12 Å
ligand MSE enzyme
A, D, C, B

Primary referenceX-ray crystallographic and NMR studies of protein-protein and protein-nucleic acid interactions involving the KH domains from human poly(C)-binding protein-2., Du Z, Lee JK, Fenn S, Tjhen R, Stroud RM, James TL, RNA. 2007 May 25;. PMID:17526645
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk]
  • Biological Unit Coordinates (2pqu.pdb1.gz) 29 Kb
  • Biological Unit Coordinates (2pqu.pdb2.gz) 28 Kb
  • LPC: Ligand-Protein Contacts for 2PQU
  • CSU: Contacts of Structural Units for 2PQU
  • Likely Quarternary Molecular Structure file(s) for 2PQU
  • Structure Factors (155 Kb)
  • Retrieve 2PQU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2PQU from S2C, [Save to disk]
  • Re-refined 2pqu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2PQU 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 2PQU
  • 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 2PQU, from MSDmotif at EBI
  • Fold representative 2pqu from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2pqu] [2pqu_B] [2pqu_C] [2pqu_G] [2pqu_D] [2pqu_E] [2pqu_A]
  • SWISS-PROT database: [Q15366]
  • Domain organization of [PCBP2_HUMAN] by SWISSPFAM
  • Domain found in 2PQU: [KH ] by SMART
  • Other resources with information on 2PQU
  • Community annotation for 2PQU 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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