Structure of PDB 2iuc Chain B Binding Site BS04

Receptor Information

>2iuc Chain B (length=342) Species: 82349 (Antarctic bacterium TAB5)

QLKTPKNVILLISDGAGLSQISSTFYFKSGTPNYTQFKNIGLIKTSSSRE
DVTDSASGATAFSCGIKTYNAAIGVADDSTAVKSIVEIAALNSIKTGVVA
TSSITHATPASFYAHALNRGLEEEIAMDMTESDLDFFAGGGLNYFTSRSD
SKDVLAILKGNQFTINTTGLTDFSSIASNRKMGFLLADEAMPTMEKGRGN
FLSAATDLAIQFLSKDNSAFFIMSEGSQIDWGGHANNASYLISEINDFDD
AIGTALAFAKSDGNTLVIVTSDHETGGFTLAAKSNKSEYSDYTEIGPTFS
TGGHSATLIPVFAYGPGSEEFIGIYENNEIFHKILKVTKWNQ

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 2iuc Chain B Residue 1009

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2iuc Crystal Structure of Alkaline Phosphatase from the Antarctic Bacterium Tab5.
• Resolution: 1.95 Å
• Binding residue (original residue number in PDB): H144 E153 D157
• Binding residue (residue number reindexed from 1): H115 E124 D128
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): D43 S84 H135 T137 R148 E254 D259 W260 H263 D301 H302 H337
• Catalytic site (residue number reindexed from 1): D14 S55 H106 T108 R119 E225 D230 W231 H234 D272 H273 H304
• Enzyme Commision number: 3.1.3.1: alkaline phosphatase.

Gene Ontology

Molecular Function

• GO:0004035 alkaline phosphatase activity
• GO:0016791 phosphatase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0016311 dephosphorylation

External links

• PDB: RCSB:2iuc, PDBe:2iuc, PDBj:2iuc
• PDBsum: 2iuc
• PubMed: 17198711
• UniProt: Q9KWY4