1jj9

X-ray diffraction
2Å resolution

Crystal Structure of MMP8-Barbiturate Complex Reveals Mechanism for Collagen Substrate Recognition

Released:

Function and Biology Details

Reaction catalysed:
Cleavage of interstitial collagens in the triple helical domain. Unlike EC 3.4.24.7, this enzyme cleaves type III collagen more slowly than type I.
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149831 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Neutrophil collagenase Chain: A
Molecule details ›
Chain: A
Length: 163 amino acids
Theoretical weight: 18.11 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P22894 (Residues: 100-262; Coverage: 37%)
Gene names: CLG1, MMP8
Sequence domains: Matrixin
Structure domains: Collagenase (Catalytic Domain)

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: I222
Unit cell:
a: 61.02Å b: 69.23Å c: 88.47Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.211 0.211 0.296
Expression system: Escherichia coli BL21