1CLK	Isomerase	date	Apr 29, 1999
title	Crystal Structure Of Streptomyces Diastaticus No.7 Strain M1 Isomerase At 1.9 A Resolution With Pseudo-I222 Space Group
authors	L.Niu, M.Teng, X.Zhu, W.Gong
compound		source
Molecule: Xylose Isomerase Chain: A Synonym: D-Xylose Ketol Isomerase, D-Glucose Isomearse Ec: 5.3.1.5		Organism_scientific: Streptomyces Diastaticus Organism_taxid: 1956 Strain: Streptomyces Diastaticus No.7 Strain M1033
symmetry	Space Group: I 2 2 2	R_factor 0.186 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.836 93.927 87.976 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CO, MG	enzyme	Isomerase E.C.5.3.1.5 BRENDA
related structures	by homologous chain: 1XYB, 9XIA
Gene Ontology	Chain Function Process Component A
Primary reference	Structure of xylose isomerase from Streptomyces diastaticus no. 7 strain M1033 at 1.85 A resolution., Zhu X, Teng M, Niu L, Xu C, Wang Y, Acta Crystallogr D Biol Crystallogr 2000 Feb;56 ( Pt 2):129-36. PMID:10666592

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (1clk.pdb1.gz) 263 Kb LPC: Ligand-Protein Contacts for 1CLK CSU: Contacts of Structural Units for 1CLK Likely Quarternary Molecular Structure file(s) for 1CLK Retrieve 1CLK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CLK from S2C, [Save to disk]

View 1CLK 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 1CLK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CLK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1clka_, 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: [1clk] [1clk_A] SWISS-PROT database: [P50910] Domain organization of [XYLA_STRDI] by SWISSPFAM

Other resources with information on 1CLK

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

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