2Z39 Hydrolase date Jun 02, 2007
title Crystal Structure Of Brassica Juncea Chitinase Catalytic Mod Glu234ala Mutant (Bjchi3-E234a)
authors W.Ubhayasekera, T.Bergfors, S.L.Mowbray
compound source
Molecule: Chitinase
Chain: A, B
Fragment: Catalytic Module, Unp Residues 146-389
Ec: 3.2.1.14
Engineered: Yes
Mutation: Yes
Organism_scientific: Brassica Juncea
Organism_taxid: 3707
Gene: Bjchi1
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_strain: Km71
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ppic9k
symmetry Space Group: P 1 21 1
R_factor 0.178 R_Free 0.222
crystal
cell
length a length b length c angle alpha angle beta angle gamma
60.988 47.254 77.668 90.00 100.85 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand CL enzyme Hydrolase E.C.3.2.1.14 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structures of a family 19 chitinase from Brassica juncea show flexibility of binding cleft loops., Ubhayasekera W, Tang CM, Ho SW, Berglund G, Bergfors T, Chye ML, Mowbray SL, FEBS J. 2007 Jul;274(14):3695-703. Epub 2007 Jul 2. PMID:17608716
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (88 Kb) [Save to disk]
  • Biological Unit Coordinates (2z39.pdb1.gz) 43 Kb
  • Biological Unit Coordinates (2z39.pdb2.gz) 43 Kb
  • LPC: Ligand-Protein Contacts for 2Z39
  • CSU: Contacts of Structural Units for 2Z39
  • Likely Quarternary Molecular Structure file(s) for 2Z39
  • Structure Factors (351 Kb)
  • Retrieve 2Z39 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2Z39 from S2C, [Save to disk]
  • Re-refined 2z39 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2Z39 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 2Z39
  • 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
  • 3D motif for 2Z39, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2z39] [2z39_A] [2z39_B]
  • SWISS-PROT database: [Q9SQF7]
  • Domain organization of [Q9SQF7_BRAJU] by SWISSPFAM
  • Other resources with information on 2Z39
  • Community annotation for 2Z39 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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