PDBe 4ijo

X-ray diffraction
1.9Å resolution

Unraveling hidden allosteric regulatory sites in structurally homologues metalloproteases

Released:

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
Macromolecule:
Macrophage metalloelastase Chain: A
Molecule details ›
Chain: A
Length: 158 amino acids
Theoretical weight: 17.48 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P39900 (Residues: 106-263; Coverage: 35%)
Gene names: HME, MMP12
Sequence domains: Matrixin

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: OXFORD DIFFRACTION ENHANCE ULTRA
Spacegroup: C2
Unit cell:
a: 50.435Å b: 60.164Å c: 53.777Å
α: 90° β: 114.8° γ: 90°
R-values:
R R work R free
0.188 0.183 0.232
Expression system: Escherichia coli