2CHO	Hydrolase	date	Mar 16, 2006
title	Bacteroides Thetaiotaomicron Hexosaminidase With O- Glcnacase Activity
authors	R.J.Dennis, E.J.Taylor, M.S.Macauley, K.A.Stubbs, J.P.Turkenburg, S.J.Hart, G.N.Black, D.J.Vocadlo, G.J.Davies
compound		source
Molecule: Glucosaminidase Chain: A, B Fragment: Residues 22-737 Synonym: Hexosaminiase Ec: 3.2.1.52 Engineered: Yes		Organism_scientific: Bacteroides Thetaiotaomicron Organism_taxid: 226186 Strain: Vpi-5482 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pet28a
Molecule: Glucosaminidase Chain: C, D Fragment: C Terminus, Residues 650-653,660-669 Synonym: Hexosaminiase Ec: 3.2.1.52 Engineered: Yes		Organism_scientific: Bacteroides Thetaiotaomicron Organism_taxid: 226186 Strain: Vpi-5482 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pet28a
symmetry	Space Group: P 1	R_factor 0.180 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.685 93.454 98.828 75.51 94.15 77.15
method	X-Ray Diffraction	resolution	1.85 Å
ligand	ACT, CA, GOL	enzyme	Hydrolase E.C.3.2.1.52 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure and mechanism of a bacterial beta-glucosaminidase having O-GlcNAcase activity., Dennis RJ, Taylor EJ, Macauley MS, Stubbs KA, Turkenburg JP, Hart SJ, Black GN, Vocadlo DJ, Davies GJ, Nat Struct Mol Biol. 2006 Apr;13(4):365-71. Epub 2006 Mar 26. PMID:16565725

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (243 Kb) [Save to disk] Biological Unit Coordinates (2cho.pdb1.gz) 120 Kb Biological Unit Coordinates (2cho.pdb2.gz) 121 Kb LPC: Ligand-Protein Contacts for 2CHO CSU: Contacts of Structural Units for 2CHO Likely Quarternary Molecular Structure file(s) for 2CHO Structure Factors (1080 Kb) Retrieve 2CHO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CHO from S2C, [Save to disk] Re-refined 2cho structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CHO 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 2CHO

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 2CHO, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2cho] [2cho_D] [2cho_B] [2cho_A] [2cho_C] SWISS-PROT database: [Q89ZI2] Domain organization of [OGA_BACTN] by SWISSPFAM

Other resources with information on 2CHO

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

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