Structure of PDB 1ciz Chain A Binding Site BS04

Receptor Information

>1ciz Chain A (length=168) Species: 9606 (Homo sapiens)

FRTFPGIPKWRKTHLTYRIVNYTPDLPKDAVDSAVEKALKVWEEVTPLTF
SRLYEGEADIMISFAVREHGDFYPFDGPGNVLAHAYAPGPGINGDAHFDD
DEQWTKDTTGTNLFLVAAHEIGHSLGLFHSANTEALMYPLYHSLTDLTRF
RLSQDDINGIQSLYGPPP

Ligand information

• Ligand ID: CA
• InChI: InChI=1S/Ca/q+2
• InChIKey: BHPQYMZQTOCNFJ-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Ca++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Ca+2]
• Formula: Ca
• Name: CALCIUM ION
• DrugBank: DB14577
• PDB chain: 1ciz Chain A Residue 304

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1ciz X-ray structure of human stromelysin catalytic domain complexed with nonpeptide inhibitors: implications for inhibitor selectivity.
• Resolution: 1.64 Å
• Binding residue (original residue number in PDB): D141 G173 N175 D177
• Binding residue (residue number reindexed from 1): D59 G91 N93 D95
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): H201 E202 H205 H211
• Catalytic site (residue number reindexed from 1): H119 E120 H123 H129
• Enzyme Commision number: 3.4.24.17: stromelysin 1.

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:1ciz, PDBe:1ciz, PDBj:1ciz
• PDBsum: 1ciz
• PubMed: 10422833
• UniProt: P08254|MMP3_HUMAN Stromelysin-1 (Gene Name=MMP3)