Structure of PDB 1fbl Chain A Binding Site BS04

Receptor Information

>1fbl Chain A (length=367) Species: 9823 (Sus scrofa)

FVLTPGNPRWENTHLTYRIENYTPDLSREDVDRAIEKAFQLWSNVSPLTF
TKVSEGQADIMISFVRGDHRDNSPFDGPGGNLAHAFQPGPGIGGDAHFDE
DERWTKNFRDYNLYRVAAHELGHSLGLSHSTDIGALMYPNYIYTGDVQLS
QDDIDGIQAIYGPSENPVQPSGPQTPQVCDSKLTFDAITTLRGELMFFKD
RFYMRTNSFYPEVELNFISVFWPQVPNGLQAAYEIADRDEVRFFKGNKYW
AVRGQDVLYGYPKDIHRSFGFPSTVKNIDAAVFEEDTGKTYFFVAHECWR
YDEYKQSMDTGYPKMIAEEFPGIGNKVDAVFQKDGFLYFFHGTRQYQFDF
KTKRILTLQKANSWFNC

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: 1fbl Chain A Residue 996

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1fbl Structure of full-length porcine synovial collagenase reveals a C-terminal domain containing a calcium-linked, four-bladed beta-propeller.
• Resolution: 2.5 Å
• Binding residue (original residue number in PDB): D175 G176 G178 N180 D198 E201
• Binding residue (residue number reindexed from 1): D76 G77 G79 N81 D99 E102
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): H218 E219 H222 H228
• Catalytic site (residue number reindexed from 1): H119 E120 H123 H129
• Enzyme Commision number: 3.4.24.7: interstitial 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:1fbl, PDBe:1fbl, PDBj:1fbl
• PDBsum: 1fbl
• PubMed: 8590015
• UniProt: P21692|MMP1_PIG Interstitial collagenase (Gene Name=MMP1)