Structure of PDB 1jp4 Chain A Binding Site BS03

Receptor Information

>1jp4 Chain A (length=302) Species: 10116 (Rattus norvegicus)

HNVLMRLVASAYSIAQKAGTIVRCVIAEGDLGIVQKTSATDLQTKADRMV
QMSICSSLSRKFPKLTIIGEEDLPEVDQELIEDGQSEEILKQPCPSQYSA
IKEEDLVVWVDPVDGTKEYTEGLLDNVTVLIGIAYEGKAIAGIINQPYYN
YQAGPDAVLGRTIWGVLGLGAFGFQLKEAPAGKHIITTTRSHSNKLVTDC
IAAMNPDNVLRVGGAGNKIIQLIEGKASAYVFASPGCKKWDTCAPEVILH
AVGGKLTDIHGNPLQYDKEVKHMNSAGVLAALRNYEYYASRVPESVKSAL
IP

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: 1jp4 Chain A Residue 702

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1jp4 Crystal structure of an enzyme displaying both inositol-polyphosphate-1-phosphatase and 3'-phosphoadenosine-5'-phosphate phosphatase activities: a novel target of lithium therapy.
• Resolution: 1.69 Å
• Binding residue (original residue number in PDB): E74 D117 V119
• Binding residue (residue number reindexed from 1): E70 D111 V113
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): D51 E74 D117 V119 D120 T122 D247
• Catalytic site (residue number reindexed from 1): D47 E70 D111 V113 D114 T116 D241
• Enzyme Commision number: 3.1.3.57: inositol-1,4-bisphosphate 1-phosphatase.
  3.1.3.7: 3'(2'),5'-bisphosphate nucleotidase.

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0004441 inositol-1,4-bisphosphate 1-phosphatase activity
• GO:0008441 3'(2'),5'-bisphosphate nucleotidase activity
• GO:0016787 hydrolase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0008150 biological_process
• GO:0046854 phosphatidylinositol phosphate biosynthetic process

External links

• PDB: RCSB:1jp4, PDBe:1jp4, PDBj:1jp4
• PDBsum: 1jp4
• PubMed: 11812139
• UniProt: Q9Z1N4|BPNT1_RAT 3'(2'),5'-bisphosphate nucleotidase 1 (Gene Name=Bpnt1)