1HV1	Hydrolase	date	Jan 05, 2001
title	Dissecting Electrostatic Interactions And The Ph-Dependent A A Family 11 Glycosidase
authors	M.D.Joshi, G.Sidhu, J.E.Nielsen, G.D.Brayer, S.G.Withers, L.P.Mci
compound		source
Molecule: Endo-1,4-Beta-Xylanase Chain: A Fragment: Q127a_bcx Synonym: Xylanase, 1,4-Beta-D-Xylan Xylanohydrolase Ec: 3.2.1.8 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Circulans Organism_taxid: 1397 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcw
symmetry	Space Group: P 21 21 21	R_factor 0.164 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 43.994 52.711 78.202 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand		enzyme	Hydrolase E.C.3.2.1.8 BRENDA
related structures	by homologous chain: 1BCX, 1BVV
Gene Ontology	Chain Function Process Component A
Primary reference	Dissecting the electrostatic interactions and pH-dependent activity of a family 11 glycosidase., Joshi MD, Sidhu G, Nielsen JE, Brayer GD, Withers SG, McIntosh LP, Biochemistry 2001 Aug 28;40(34):10115-39. PMID:11513590

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (1hv1.pdb1.gz) 32 Kb CSU: Contacts of Structural Units for 1HV1 Likely Quarternary Molecular Structure file(s) for 1HV1 Structure Factors (112 Kb) Retrieve 1HV1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HV1 from S2C, [Save to disk] Re-refined 1hv1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1HV1 in 3D

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Visual 3D analysis of 1HV1

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 1HV1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hv1a_, region A [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: [1hv1_A] [1hv1] SWISS-PROT database: [P09850] Domain organization of [XYNA_BACCI] by SWISSPFAM

Other resources with information on 1HV1

Community annotation for 1HV1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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