1QK2 Hydrolase date Jul 09, 1999
title Wild Type Cel6a With A Non-Hydrolysable Cellotetraose
authors J.Y.Zou, T.A.Jones
compound source
Molecule: Cellobiohydrolase Cel6a (Formerly Called Cbh II)
Chain: A, B
Fragment: Catalytic Domain, Residues 85-447
Synonym: Cel6a
Engineered: Yes
Organism_scientific: Trichoderma Reesei
Organism_taxid: 51453
Gene: Cbh2
Expression_system: Trichoderma Reesei
Expression_system_taxid: 51453
symmetry Space Group: P 1 21 1
R_factor 0.189 R_Free 0.222
length a length b length c angle alpha angle beta angle gamma
48.830 74.700 91.840 90.00 104.12 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand GLC, MAN, MGL, NAG, SGC enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1BVW, 1CB2
A, B

Primary referenceThree-dimensional structure of cellobiohydrolase II from Trichoderma reesei., Rouvinen J, Bergfors T, Teeri T, Knowles JK, Jones TA, Science. 1990 Jul 27;249(4967):380-6. PMID:2377893
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (131 Kb) [Save to disk]
  • Biological Unit Coordinates (1qk2.pdb1.gz) 63 Kb
  • Biological Unit Coordinates (1qk2.pdb2.gz) 64 Kb
  • LPC: Ligand-Protein Contacts for 1QK2
  • CSU: Contacts of Structural Units for 1QK2
  • Likely Quarternary Molecular Structure file(s) for 1QK2
  • Structure Factors (311 Kb)
  • Retrieve 1QK2 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QK2 from S2C, [Save to disk]
  • Re-refined 1qk2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QK2 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 1QK2
  • 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 1QK2, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qk2a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1qk2b_, region B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1qk2_A] [1qk2] [1qk2_B]
  • SWISS-PROT database: [P07987]
  • Domain organization of [GUX2_TRIRE] by SWISSPFAM
  • Other resources with information on 1QK2
  • Community annotation for 1QK2 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, 1996-2014,2022
    Bioinformatics Unit
    Weizmann Institute of Science