Structure of PDB 4l19 Chain A Binding Site BS04

Receptor Information

>4l19 Chain A (length=166) Species: 9606 (Homo sapiens)

YNVFPRTLKWSKMNLTYRIVNYTPDMTHSEVEKAFKKAFKVWSDVTPLNF
TRLHDGIADIMISFGIKEHGDFYPFDGPSGLLAHAFPPGPNYGGDAHFDD
DETWTSSSKGYNLFLVAAHEFGHSLGLDHSKDPGALMFPIYTYTGKSHFM
LPDDDVQGIQSLYGPG

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: 4l19 Chain A Residue 304

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4l19 Characterization of selective exosite-binding inhibitors of matrix metalloproteinase 13 that prevent articular cartilage degradation in vitro.
• Resolution: 1.66 Å
• Binding residue (original residue number in PDB): D179 G180 S182 L184 D202 E205
• Binding residue (residue number reindexed from 1): D76 G77 S79 L81 D99 E102
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): H222 E223 H226 H232
• Catalytic site (residue number reindexed from 1): H119 E120 H123 H129
• Enzyme Commision number: 3.4.24.-

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:4l19, PDBe:4l19, PDBj:4l19
• PDBsum: 4l19
• PubMed: 25330343
• UniProt: P45452|MMP13_HUMAN Collagenase 3 (Gene Name=MMP13)