1OCB	Hydrolase	date	Feb 07, 2003
title	Structure Of The Wild-Type Cellobiohydrolase Cel6a From Humi Insolens In Complex With A Fluorescent Substrate
authors	A.Varrot, T.P.Frandsen, I.Von Ossowski, V.Boyer, H.Driguez, M.Sch G.J.Davies
compound		source
Molecule: Cellobiohydrolase II Chain: A, B Fragment: Catalytic Core Domain, Residues 89-450 Synonym: Cellulase, Cel6a Ec: 3.2.1.91 Engineered: Yes Other_details: N-Linked N-Acetylglucosamine On Residue Asn		Organism_scientific: Humicola Insolens Organism_taxid: 34413 Expression_system: Aspergillus Oryzae Expression_system_taxid: 5062 Expression_system_plasmid: Under Control Of The Fungal Amyl Promoter And Amyloglucosidase Terminator
symmetry	Space Group: P 1 21 1	R_factor 0.133 R_Free 0.168
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.763 155.681 51.218 90.00 118.42 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	BGC, FLG, GDA, GOL, GTM, NAG	enzyme	Hydrolase E.C.3.2.1.91 BRENDA
related structures	by homologous chain: 1GZ1, 2BVW
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis for ligand binding and processivity in cellobiohydrolase Cel6A from Humicola insolens., Varrot A, Frandsen TP, von Ossowski I, Boyer V, Cottaz S, Driguez H, Schulein M, Davies GJ, Structure (Camb) 2003 Jul;11(7):855-64. PMID:12842048

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (136 Kb) [Save to disk] Biological Unit Coordinates (1ocb.pdb1.gz) 66 Kb Biological Unit Coordinates (1ocb.pdb2.gz) 65 Kb LPC: Ligand-Protein Contacts for 1OCB CSU: Contacts of Structural Units for 1OCB Likely Quarternary Molecular Structure file(s) for 1OCB Structure Factors (1602 Kb) Retrieve 1OCB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OCB from S2C, [Save to disk] Re-refined 1ocb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OCB 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 1OCB

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 1OCB, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ocba_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ocbb_, 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: [1ocb_A] [1ocb_B] [1ocb] SWISS-PROT database: [Q9C1S9] Domain organization of [GUX6_HUMIN] by SWISSPFAM

Other resources with information on 1OCB

Community annotation for 1OCB at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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