2C7B	Hydrolase	date	Nov 21, 2005
title	The Crystal Structure Of Este1, A New Thermophilic And Thermostable Carboxylesterase Cloned From A Metagenomic Library
authors	J.S.Byun, J.K.Rhee, D.U.Kim, J.W.Oh, H.S.Cho
compound		source
Molecule: Carboxylesterase Chain: A, B Fragment: Alpha-Beta Hydrolase Fold, Residues 1-311 Synonym: Este1 Ec: 3.1.1.1 Engineered: Yes		Organism_scientific: Uncultured Archaeon Organism_taxid: 115547 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_plasmid: Pet28 Other_details: Metagenomes From Thermal Environmental Samples
symmetry	Space Group: P 41 21 2	R_factor 0.2338 R_Free 0.2613
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.710 73.710 234.230 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.3 Å
ligand	MSE	enzyme	Hydrolase E.C.3.1.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of hyperthermophilic esterase EstE1 and the relationship between its dimerization and thermostability properties., Byun JS, Rhee JK, Kim ND, Yoon J, Kim DU, Koh E, Oh JW, Cho HS, BMC Struct Biol. 2007 Jul 12;7:47. PMID:17625021

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (2c7b.pdb1.gz) 171 Kb LPC: Ligand-Protein Contacts for 2C7B CSU: Contacts of Structural Units for 2C7B Likely Quarternary Molecular Structure file(s) for 2C7B Structure Factors (300 Kb) Retrieve 2C7B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C7B from S2C, [Save to disk] Re-refined 2c7b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2C7B 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 2C7B

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2C7B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c7b] [2c7b_A] [2c7b_B] SWISS-PROT database: [Q5G935] Domain organization of [Q5G935_9ARCH] by SWISSPFAM

Other resources with information on 2C7B

Community annotation for 2C7B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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