2QUK Ligase date Aug 06, 2007
title Crystal Structures Of Human Tryptophanyl-Trna Synthetase In Complex With Atp(Putative)
authors N.Shen, J.P.Ding
compound source
Molecule: Tryptophanyl-Trna Synthetase
Chain: A
Synonym: Tryptophan-Trna Ligase, Trprs, Interferon-Induced Protein 53, Ifp53, Hwrs;
Ec: 6.1.1.2
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Wars, Ifi53, Wrs
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 6 2 2
R_factor 0.267 R_Free 0.290
crystal
cell
length a length b length c angle alpha angle beta angle gamma
235.600 235.600 48.800 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.80 Å
ligand
enzyme Ligase E.C.6.1.1.2 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCatalytic mechanism of the tryptophan activation reaction revealed by crystal structures of human tryptophanyl-tRNA synthetase in different enzymatic states., Shen N, Zhou M, Yang B, Yu Y, Dong X, Ding J, Nucleic Acids Res. 2008 Mar;36(4):1288-99. Epub 2008 Jan 7. PMID:18180246
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk]
  • Biological Unit Coordinates (2quk.pdb1.gz) 125 Kb
  • CSU: Contacts of Structural Units for 2QUK
  • Likely Quarternary Molecular Structure file(s) for 2QUK
  • Structure Factors (322 Kb)
  • Retrieve 2QUK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2QUK from S2C, [Save to disk]
  • Re-refined 2quk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2QUK 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 2QUK
  • 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 2QUK, from MSDmotif at EBI
  • Fold representative 2quk from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2quk_A] [2quk]
  • SWISS-PROT database: [P23381]
  • Domain organization of [SYWC_HUMAN] by SWISSPFAM
  • Domain found in 2QUK: [WHEP-TRS ] by SMART
  • Other resources with information on 2QUK
  • Community annotation for 2QUK 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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