3lq0

X-ray diffraction
1.45Å resolution

Zymogen structure of crayfish astacin metallopeptidase

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of peptide bonds in substrates containing five or more amino acids, preferentially with Ala in P1', and Pro in P2'.

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139644 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Astacin Chain: A
Molecule details ›
Chain: A
Length: 235 amino acids
Theoretical weight: 26.44 KDa
Source organism: Astacus astacus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P07584 (Residues: 16-250; Coverage: 100%)
Sequence domains: Astacin (Peptidase family M12A)
Structure domains: Collagenase (Catalytic Domain)

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P212121
Unit cell:
a: 55.91Å b: 63.37Å c: 69.19Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.152 0.152 0.18
Expression system: Escherichia coli BL21(DE3)