4u7k

X-ray diffraction
1.91Å resolution

Crystal structure of the Clostridium histolyticum colH collagenase polycystic kidney disease-like domain 2a in the presence of calcium at 1.9 Angstrom resolution

Released:

Function and Biology Details

Reaction catalysed:
Digestion of native collagen in the triple helical region at -|-Gly bonds. With synthetic peptides, a preference is shown for Gly at P3 and P1', Pro and Ala at P2 and P2', and hydroxyproline, Ala or Arg at P3'.
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-175094 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Collagenase ColH Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 87 amino acids
Theoretical weight: 9.66 KDa
Source organism: Hathewaya histolytica
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q46085 (Residues: 724-810; Coverage: 9%)
Gene name: colH
Sequence domains: PKD domain
Structure domains: Immunoglobulins

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: C2
Unit cell:
a: 102.32Å b: 87.61Å c: 104.35Å
α: 90° β: 116.04° γ: 90°
R-values:
R R work R free
0.165 0.163 0.207
Expression system: Escherichia coli BL21