1K6A	Hydrolase	date	Oct 15, 2001
title	Structural Studies On The Mobility In The Active Site Of The Thermoascus Aurantiacus Xylanase I
authors	L.Lo Leggio, S.Kalogiannis, K.Eckert, S.C.M.Teixeira, M.K.Bhat, C.Andrei, R.W.Pickersgill, S.Larsen
compound		source
Molecule: Xylanase I Chain: A Synonym: Endo-1,4-Beta-Xylanase Ec: 3.2.1.8		Organism_scientific: Thermoascus Aurantiacus Organism_taxid: 5087 Strain: Imi 216529
symmetry	Space Group: P 1 21 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 46.220 59.240 51.310 90.00 109.80 90.00
method	X-Ray Diffraction	resolution	1.14 Å
ligand		enzyme	Hydrolase E.C.3.2.1.8 BRENDA
note	1K6A supersedes 1FXM
related structures	by homologous chain: 1GOK, 1I1X
Gene Ontology	Chain Function Process Component A
Primary reference	Substrate specificity and subsite mobility in T. aurantiacus xylanase 10A., Lo Leggio L, Kalogiannis S, Eckert K, Teixeira SC, Bhat MK, Andrei C, Pickersgill RW, Larsen S, FEBS Lett. 2001 Dec 7;509(2):303-8. PMID:11741607

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (150 Kb) [Save to disk] Biological Unit Coordinates (1k6a.pdb1.gz) 147 Kb CSU: Contacts of Structural Units for 1K6A Likely Quarternary Molecular Structure file(s) for 1K6A Structure Factors (815 Kb) Retrieve 1K6A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K6A from S2C, [Save to disk] Re-refined 1k6a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K6A 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 1K6A

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1K6A from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1K6A, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k6aa_, 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: [1k6a] [1k6a_A] SWISS-PROT database: [P23360] Domain organization of [XYNA_THEAU] by SWISSPFAM Domain found in 1K6A: [Glyco_10 ] by SMART

Other resources with information on 1K6A

Community annotation for 1K6A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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