1QH6	Hydrolase	date	May 11, 1999
title	Catalysis And Specificity In Enzymatic Glycoside Hydrolases: Conformation For The Glycosyl-Enzyme Intermidiate Revealed Structure Of The Bacillus Agaradhaerens Family 11 Xylanase
authors	E.Sabini, G.Sulzenbacher, M.Dauter, Z.Dauter, P.L.Jorgensen, M.Sc C.Dupont, G.J.Davies, K.S.Wilson
compound		source
Molecule: Xylanase Chain: A, B Fragment: Family 11 Xylanase Catalytic Domain Ec: 3.2.1.8 Engineered: Yes Other_details: B-D-Xylanopyranoside Present In The Active S		Organism_scientific: Bacillus Agaradhaerens Organism_taxid: 76935 Expression_system: Bacillus Subtilis Expression_system_taxid: 1423
symmetry	Space Group: P 21 21 21	R_factor 0.142 R_Free 0.189
crystal cell	length a length b length c angle alpha angle beta angle gamma 71.910 74.830 78.350 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	PCA, X2F, XYP	enzyme	Hydrolase E.C.3.2.1.8 BRENDA
related structures	by homologous chain: 1H4H, 1IGO
Gene Ontology	Chain Function Process Component A, B
Primary reference	Catalysis and specificity in enzymatic glycoside hydrolysis: a 2,5B conformation for the glycosyl-enzyme intermediate revealed by the structure of the Bacillus agaradhaerens family 11 xylanase., Sabini E, Sulzenbacher G, Dauter M, Dauter Z, Jorgensen PL, Schulein M, Dupont C, Davies GJ, Wilson KS, Chem Biol 1999 Jul;6(7):483-92. PMID:10381409

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk] Biological Unit Coordinates (1qh6.pdb1.gz) 39 Kb Biological Unit Coordinates (1qh6.pdb2.gz) 40 Kb LPC: Ligand-Protein Contacts for 1QH6 CSU: Contacts of Structural Units for 1QH6 Likely Quarternary Molecular Structure file(s) for 1QH6 Structure Factors (207 Kb) Retrieve 1QH6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QH6 from S2C, [Save to disk] Re-refined 1qh6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QH6 in 3D

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Visual 3D analysis of 1QH6

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 1QH6, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qh6a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qh6b_, region B [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: [1qh6] [1qh6_A] [1qh6_B] SWISS-PROT database: [Q7SIE3] Domain organization of [Q7SIE3_BACAG] by SWISSPFAM

Other resources with information on 1QH6

Community annotation for 1QH6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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