Structure of PDB 1i76 Chain A Binding Site BS03

Receptor Information

>1i76 Chain A (length=163) Species: 9606 (Homo sapiens)

MLTPGNPKWERTNLTYRIRNYTPQLSEAEVERAIKDAFELWSVASPLIFT
RISQGEADINIAFYQRDHGDNSPFDGPNGILAHAFQPGQGIGGDAHFDAE
ETWTNTSANYNLFLVAAHEFGHSLGLAHSSDPGALMYPNYAFRETSNYSL
PQDDIDGIQAIYG

Ligand information

• Ligand ID: ZN
• InChI: InChI=1S/Zn/q+2
• InChIKey: PTFCDOFLOPIGGS-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Zn++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Zn+2]
• Formula: Zn
• Name: ZINC ION
• ChEMBL: CHEMBL1236970
• DrugBank: DB14532
• PDB chain: 1i76 Chain A Residue 998

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1i76 Two crystal structures of human neutrophil collagenase, one complexed with a primed- and the other with an unprimed-side inhibitor: implications for drug design.
• Resolution: 1.2 Å
• Binding residue (original residue number in PDB): H147 D149 H162 H175
• Binding residue (residue number reindexed from 1): H68 D70 H83 H96
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): H197 E198 H201 H207
• Catalytic site (residue number reindexed from 1): H118 E119 H122 H128
• Enzyme Commision number: 3.4.24.34: neutrophil collagenase.

Gene Ontology

Molecular Function

• GO:0004222 metalloendopeptidase activity
• GO:0008237 metallopeptidase activity
• GO:0008270 zinc ion binding

Biological Process

• GO:0006508 proteolysis

Cellular Component

• GO:0031012 extracellular matrix

External links

• PDB: RCSB:1i76, PDBe:1i76, PDBj:1i76
• PDBsum: 1i76
• PubMed: 10978185
• UniProt: P22894|MMP8_HUMAN Neutrophil collagenase (Gene Name=MMP8)