2CN3	Hydrolase	date	May 17, 2006
title	Crystal Structures Of Clostridium Thermocellum Xyloglucanase
authors	C.Martinez-Fleites, E.J.Taylor, C.I.P.D.Guerreiro, J.A.M.Prates L.M.A.Ferreira, C.M.G.A.Fontes, M.J.Baumann, H.Brumer, G.J.Davi
compound		source
Molecule: Beta-1,4-Xyloglucan Hydrolase Chain: A, B Fragment: Residues 28-764 Synonym: Xyloglucanase Ec: 3.2.1.151 Engineered: Yes Mutation: Yes		Organism_scientific: Clostridium Thermocellum Organism_taxid: 1515 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Tuner Expression_system_vector: Pet21
symmetry	Space Group: P 43 21 2	R_factor 0.178 R_Free 0.204
crystal cell	length a length b length c angle alpha angle beta angle gamma 141.440 141.440 193.393 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	BGC, CA, GAL, GLC, XYS	enzyme	Hydrolase E.C.3.2.1.151 BRENDA
Primary reference	Crystal structures of Clostridium thermocellum xyloglucanase, XGH74A, reveal the structural basis for xyloglucan recognition and degradation., Martinez-Fleites C, Guerreiro CI, Baumann MJ, Taylor EJ, Prates JA, Ferreira LM, Fontes CM, Brumer H, Davies GJ, J Biol Chem. 2006 Aug 25;281(34):24922-33. Epub 2006 Jun 13. PMID:16772298

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (259 Kb) [Save to disk] Biological Unit Coordinates (2cn3.pdb1.gz) 128 Kb Biological Unit Coordinates (2cn3.pdb2.gz) 128 Kb LPC: Ligand-Protein Contacts for 2CN3 CSU: Contacts of Structural Units for 2CN3 Likely Quarternary Molecular Structure file(s) for 2CN3 Structure Factors (1122 Kb) Retrieve 2CN3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CN3 from S2C, [Save to disk] Re-refined 2cn3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CN3 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 2CN3

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 2CN3, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2cn3_B] [2cn3] [2cn3_A] SWISS-PROT database: [Q70DK5] Domain organization of [Q70DK5_CLOTM] by SWISSPFAM

Other resources with information on 2CN3

Community annotation for 2CN3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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