Structure of PDB 2iuc Chain A Binding Site BS06

Receptor Information

>2iuc Chain A (length=340) Species: 82349 (Antarctic bacterium TAB5)

KTPKNVILLISDGAGLSQISSTFYFKEGTPNYTQFKNIGLIKTSSSREDV
TDSASGATAFSCGIKTYNAAIGVADDSTAVKSIVEIAALNNIKTGVVATS
SITHATPASFYAHALNRGLEEEIAMDMTESDLDFFAGGGLNYFTSRKDKK
DVLAILKGNQFTINTTGLTDFSSIASNRKMGFLLADEAMPTMESGRGNFL
SAATDLAIQFLSKDNSAFFIMSEGSQIDWGGHANNASYLISEINDFDDAI
GTALAFAKKDGNTLVIVTSDHETGGFTLAAKKNKREYSDYTSIGPSFSTG
GHSATLIPVFAYGPGSEEFIGIYENNEIFHKILKVTKWNQ

Ligand information

• Ligand ID: PO4
• InChI: InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
• InChIKey: NBIIXXVUZAFLBC-UHFFFAOYSA-K
• SMILES:
  CACTVS 3.341: [O-][P]([O-])([O-])=O
  ACDLabs 10.04: [O-]P([O-])([O-])=O
  OpenEye OEToolkits 1.5.0: [O-]P(=O)([O-])[O-]
• Formula: O4 P
• Name: PHOSPHATE ION
• DrugBank: DB14523
• PDB chain: 2iuc Chain A Residue 1006

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): S84 R148 H337
• Binding residue (residue number reindexed from 1): S53 R117 H302
• 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): D12 S53 H104 T106 R117 E223 D228 W229 H232 D270 H271 H302
• 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