PDBe 4h49

X-ray diffraction
2.16Å resolution

Crystal structure of the catalytic domain of MMP-12 in complex with a twin inhibitor.

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of soluble and insoluble elastin. Specific cleavages are also produced at 14-Ala-|-Leu-15 and 16-Tyr-|-Leu-17 in the B chain of insulin. 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Macrophage metalloelastase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 159 amino acids
Theoretical weight: 17.62 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P39900 (Residues: 106-263; Coverage: 35%)
Gene names: HME, MMP12
Sequence domains: Matrixin

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SOLEIL BEAMLINE PROXIMA 1
Spacegroup: P21
Unit cell:
a: 47.44Å b: 106.49Å c: 65.88Å
α: 90° β: 94.96° γ: 90°
R-values:
R R work R free
0.17 0.167 0.241
Expression system: Escherichia coli BL21