1QK0 Hydrolase date Jul 08, 1999
title 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
Ec: 3.2.1.91
Engineered: Yes
Organism_scientific: Trichoderma Reesei
Organism_taxid: 51453
Expression_system: Trichoderma Reesei
Expression_system_taxid: 51453
symmetry Space Group: P 1 21 1
R_factor 0.181 R_Free 0.221
crystal
cell
length a length b length c angle alpha angle beta angle gamma
48.500 74.690 91.140 90.00 103.19 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand BGC, CO, GLC, IOB, IOD, MAN, NAG, XYP, XYS enzyme Hydrolase E.C.3.2.1.91 BRENDA
related structures by homologous chain: 1CB2, 1HGW
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystallographic evidence for substrate ring distortion and protein conformational changes during catalysis in cellobiohydrolase Ce16A from trichoderma reesei., Zou J, Kleywegt GJ, Stahlberg J, Driguez H, Nerinckx W, Claeyssens M, Koivula A, Teeri TT, Jones TA, Structure. 1999 Sep 15;7(9):1035-45. PMID:10508787
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (129 Kb) [Save to disk]
  • Biological Unit Coordinates (1qk0.pdb1.gz) 63 Kb
  • Biological Unit Coordinates (1qk0.pdb2.gz) 62 Kb
  • LPC: Ligand-Protein Contacts for 1QK0
  • CSU: Contacts of Structural Units for 1QK0
  • Likely Quarternary Molecular Structure file(s) for 1QK0
  • Structure Factors (265 Kb)
  • Retrieve 1QK0 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QK0 from S2C, [Save to disk]
  • Re-refined 1qk0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QK0 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 1QK0
  • 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 1QK0, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qk0a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1qk0b_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1qk0 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1qk0_A] [1qk0] [1qk0_B]
  • SWISS-PROT database: [P07987]
  • Domain organization of [GUX2_TRIRE] by SWISSPFAM
  • Other resources with information on 1QK0
  • Community annotation for 1QK0 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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