1CEO	Cellulose Degradation	date	Dec 04, 1995
title	Cellulase (Celc) Mutant With Glu 140 Replaced By Gln
authors	R.Dominguez, P.M.Alzari
compound		source
Molecule: Cellulase Celc Chain: A Synonym: 1,4-Beta-D-Glucan-Glucanohydrolase, Endo-1,4-Beta- C; Ec: 3.2.1.4 Engineered: Yes Mutation: Yes		Organism_scientific: Clostridium Thermocellum Organism_taxid: 1515 Strain: Ncib 10682 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pct306 (Puc9)
symmetry	Space Group: P 21 21 21	R_factor 0.194 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.400 84.330 87.500 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand		enzyme	Hydrolase E.C.3.2.1.4 BRENDA
related structures	by homologous chain: 1CEC
Gene Ontology	Chain Function Process Component A
Primary reference	The crystal structure of a family 5 endoglucanase mutant in complexed and uncomplexed forms reveals an induced fit activation mechanism., Dominguez R, Souchon H, Lascombe M, Alzari PM, J Mol Biol 1996 Apr 19;257(5):1042-51. PMID:8632467

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (65 Kb) [Save to disk] Biological Unit Coordinates (1ceo.pdb1.gz) 62 Kb CSU: Contacts of Structural Units for 1CEO Likely Quarternary Molecular Structure file(s) for 1CEO Retrieve 1CEO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CEO from S2C, [Save to disk]

View 1CEO 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 1CEO

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CEO, from MSDmotif at EBI Genome occurence of 1CEO's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ceo__, region [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: [1ceo] [1ceo_A] SWISS-PROT database: [P0C2S3] Domain organization of [GUNC_CLOTM] by SWISSPFAM

Other resources with information on 1CEO

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

Movements, Movies and Images

Domain movements in 1CEO from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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