1H1A	Hydrolase	date	Jul 05, 2002
title	Thermophilic Beta-1,4-Xylanase From Chaetomium Thermophilum
authors	N.Hakulinen, J.Rouvinen
compound		source
Molecule: Endo-1,4-Beta-Xylanase Chain: A, B Fragment: Catalytic Domain, Residues 27-217 Synonym: Endoxylanase 11a Ec: 3.2.1.8 Engineered: Yes		Organism_scientific: Chaetomium Thermophilum Organism_taxid: 209285 Gene: Xyn11a Expression_system: Trichoderma Reesei Expression_system_taxid: 51453
symmetry	Space Group: P 21 21 2	R_factor 0.179 R_Free 0.216
crystal cell	length a length b length c angle alpha angle beta angle gamma 108.240 57.150 65.680 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	CA, GOL, PCA, SO4, UNX	enzyme	Hydrolase E.C.3.2.1.8 BRENDA
related structures	by homologous chain: 1REE, 1XND
Gene Ontology	Chain Function Process Component A, B
Primary reference	Three-dimensional structures of thermophilic beta-1,4-xylanases from Chaetomium thermophilum and Nonomuraea flexuosa. Comparison of twelve xylanases in relation to their thermal stability., Hakulinen N, Turunen O, Janis J, Leisola M, Rouvinen J, Eur J Biochem 2003 Apr;270(7):1399-412. PMID:12653995

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1h1a.pdb1.gz) 37 Kb Biological Unit Coordinates (1h1a.pdb2.gz) 36 Kb LPC: Ligand-Protein Contacts for 1H1A CSU: Contacts of Structural Units for 1H1A Likely Quarternary Molecular Structure file(s) for 1H1A Structure Factors (392 Kb) Retrieve 1H1A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H1A from S2C, [Save to disk] Re-refined 1h1a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 1H1A

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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 1H1A, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h1aa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1h1ab_, 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: [1h1a] [1h1a_A] [1h1a_B] SWISS-PROT database: [Q8J1V6] Domain organization of [Q8J1V6_9PEZI] by SWISSPFAM

Other resources with information on 1H1A

Community annotation for 1H1A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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