2ZTK Transferase date Oct 06, 2008
title Crystal Structure Of Homocitrate Synthase From Thermus Therm Complexed With Homocitrate
authors T.Okada, T.Tomita, T.Kuzuyama, M.Nishiyama
compound source
Molecule: Homocitrate Synthase
Chain: A
Engineered: Yes
Organism_scientific: Thermus Thermophilus
Organism_taxid: 262724
Strain: Hb27
Gene: Hcs
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 Ril-Codonplus (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-26b(+)
symmetry Space Group: P 63 2 2
R_factor 0.193 R_Free 0.222
length a length b length c angle alpha angle beta angle gamma
135.508 135.508 127.062 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.96 Å
ligand CU, HCA enzyme Transferase E.C. BRENDA

Primary referenceMechanism of substrate recognition and insight into feedback inhibition of homocitrate synthase from Thermus thermophilus., Okada T, Tomita T, Wulandari AP, Kuzuyama T, Nishiyama M, J Biol Chem. 2010 Feb 5;285(6):4195-205. Epub 2009 Dec 7. PMID:19996101
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (65 Kb) [Save to disk]
  • Biological Unit Coordinates (2ztk.pdb1.gz) 114 Kb
  • LPC: Ligand-Protein Contacts for 2ZTK
  • CSU: Contacts of Structural Units for 2ZTK
  • Structure Factors (364 Kb)
  • Retrieve 2ZTK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ZTK from S2C, [Save to disk]
  • Re-refined 2ztk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2ZTK 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 2ZTK
  • 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 2ZTK, from MSDmotif at EBI
  • Fold representative 2ztk from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ztk] [2ztk_A]
  • SWISS-PROT database: [O87198]
  • Domain organization of [HOSC_THET2] by SWISSPFAM
  • Other resources with information on 2ZTK
  • Community annotation for 2ZTK at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014
    Bioinformatics Unit
    Weizmann Institute of Science