PDBe 2z2d

Solution NMR

Solution structure of human macrophage elastase (MMP-12) catalytic domain complexed with a gamma-keto butanoic acid inhibitor

Source organism: Homo sapiens
Entry authors: Zheng X, Ou L

Function and Biology Details

Reaction catalysed:
Hydrolysis of soluble and insoluble elastin (1). Specific cleavages are also produced at -Ala(14)-|-Leu- and -Tyr(16)-|-Leu- in the B chain of insulin (2).
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macrophage metalloelastase Chain: A
Molecule details ›
Chain: A
Length: 164 amino acids
Theoretical weight: 18.24 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P39900 (Residues: 100-263; Coverage: 36%)
Gene names: HME, MMP12
Sequence domains: Matrixin
Structure domains: Collagenase (Catalytic Domain)

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
Refinement method: Distance geometry, simulated annealing, torsion angle dynamics
Expression system: Escherichia coli BL21(DE3)