Structure of PDB 1xlk Chain B Binding Site BS01

Receptor Information
>1xlk Chain B (length=393) Species: 1669 (Arthrobacter sp. NRRL B3728) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VQPTPADHFTFGLWTVGWTGADPFGVATRKNLDPVEAVHKLAELGAYGIT
FHDNDLIPFDATEAEREKILGDFNQALKDTGLKVPMVTTNLFSHPVFKDG
GFTSNDRSIRRFALAKVLHNIDLAAEMGAETFVMWGGREGSEYDGSKDLA
AALDRMREGVDTAAGYIKDKGYNLRIALEPKPNEPRGDIFLPTVGHGLAF
IEQLEHGDIVGLNPETGHEQMAGLNFTHGIAQALWAEKLFHIDLNGQRGI
KYDQDLVFGHGDLTSAFFTVDLLENGFPNGGPKYTGPRHFDYKPSRTDGY
DGVWDSAKANMSMYLLLKERALAFRADPEVQEAMKTSGVFELGETTLNAG
ESAADLMNDSASFAGFDAEAAAERNFAFIRLNQLAIEHLLGSR
Ligand information
Ligand IDMN
InChIInChI=1S/Mn/q+2
InChIKeyWAEMQWOKJMHJLA-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mn+2]
CACTVS 3.341[Mn++]
FormulaMn
NameMANGANESE (II) ION
ChEMBL
DrugBankDB06757
ZINC
PDB chain1xlk Chain B Residue 398 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1xlk Mechanism for aldose-ketose interconversion by D-xylose isomerase involving ring opening followed by a 1,2-hydride shift.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		E216 H219 D254 D256
Binding residue
(residue number reindexed from 1)		E215 H218 D253 D255
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H53 D56 M87 E180 K182 E216 H219 D244 D254 D256 D292
Catalytic site (residue number reindexed from 1) H52 D55 M86 E179 K181 E215 H218 D243 D253 D255 D291
Enzyme Commision number 5.3.1.5: xylose isomerase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009045 xylose isomerase activity
GO:0016853 isomerase activity
GO:0046872 metal ion binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0042732 D-xylose metabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1xlk, PDBe:1xlk, PDBj:1xlk
PDBsum1xlk
PubMed2319597
UniProtP12070|XYLA_ARTS7 Xylose isomerase (Gene Name=xylA)

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