1XLM	Isomerase	date	Jul 22, 1997
title	D254e, D256e Mutant Of D-Xylose Isomerase Complexed With Al3 Xylitol
authors	T.Gerczei, Z.S.Bocskei, E.Szabo, G.Naray-Szabo, B.Asboth
compound		source
Molecule: D-Xylose Isomerase Chain: A, B Ec: 5.3.1.5 Engineered: Yes Mutation: Yes		Organism_scientific: Arthrobacter Sp. Nrrl Organism_taxid: 1669 Strain: B3728 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm101 Expression_system_cellular_location: Secretion Expression_system_vector: Ptz19u Expression_system_plasmid: Paxi3
symmetry	Space Group: C 2 2 2	R_factor 0.179 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 139.600 140.700 83.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	AL, XYL	enzyme	Isomerase E.C.5.3.1.5 BRENDA
related structures	by homologous chain: 5XIA, 7XIM
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure determination and refinement of the Al3+ complex of the D254,256E mutant of Arthrobacter D-xylose isomerase at 2.40 A resolution. Further evidence for inhibitor-induced metal ion movement., Gerczei T, Bocskei Z, Szabo E, Asboth B, Naray-Szabo G, Int J Biol Macromol. 1999 Aug;25(4):329-36. PMID:10456773

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (127 Kb) [Save to disk] Biological Unit Coordinates (1xlm.pdb1.gz) 241 Kb LPC: Ligand-Protein Contacts for 1XLM CSU: Contacts of Structural Units for 1XLM Likely Quarternary Molecular Structure file(s) for 1XLM Structure Factors (522 Kb) Retrieve 1XLM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XLM from S2C, [Save to disk] Re-refined 1xlm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XLM 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 1XLM

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 1XLM, from MSDmotif at EBI Genome occurence of 1XLM's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1xlma_, region A [Jmol] [rasmolscript] [script source]     - Domain d1xlmb_, 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: [1xlm_B] [1xlm] [1xlm_A] SWISS-PROT database: [P12070] Domain organization of [XYLA_ARTS7] by SWISSPFAM

Other resources with information on 1XLM

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

Movements, Movies and Images

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