1CEM	Glycosyltransferase	date	Dec 04, 1995
title	Endoglucanase A (Cela) Catalytic Core, Residues 33-395
authors	P.M.Alzari
compound		source
Molecule: Cellulase Cela (1,4-Beta-D-Glucan-Glucanohydrolas Chain: A Fragment: Catalytic Core Residues 33-395 Synonym: Endo-1,4-Beta-Glucanase A Ec: 3.2.1.4 Engineered: Yes		Organism_scientific: Clostridium Thermocellum Organism_taxid: 1515 Strain: Ncib 10682 Gene: Cela Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pct128 (Ptz18r)
symmetry	Space Group: P 21 21 21	R_factor 0.162 R_Free 0.191
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.118 63.518 104.974 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.65 Å
ligand		enzyme	Hydrolase E.C.3.2.1.4 BRENDA
related structures	by homologous chain: 1IS9
Gene Ontology	Chain Function Process Component A
Primary reference	The crystal structure of endoglucanase CelA, a family 8 glycosyl hydrolase from Clostridium thermocellum., Alzari PM, Souchon H, Dominguez R, Structure 1996 Mar 15;4(3):265-75. PMID:8805535

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (1cem.pdb1.gz) 61 Kb CSU: Contacts of Structural Units for 1CEM Likely Quarternary Molecular Structure file(s) for 1CEM Retrieve 1CEM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CEM from S2C, [Save to disk]

View 1CEM 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 1CEM

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CEM, from MSDmotif at EBI Genome occurence of 1CEM's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1cem__, 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: [1cem] [1cem_A] SWISS-PROT database: [A3DC29] Domain organization of [GUNA_CLOTH] by SWISSPFAM

Other resources with information on 1CEM

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

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