4hpk

X-ray diffraction
1.35Å resolution

Crystal structure of Clostridium histolyticum colg collagenase collagen-binding domain 3B at 1.35 Angstrom resolution in presence of calcium nitrate

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:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-194956 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Collagenase ColG Chain: A
Molecule details ›
Chain: A
Length: 113 amino acids
Theoretical weight: 13 KDa
Source organism: Hathewaya histolytica
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9X721 (Residues: 1006-1118; Coverage: 11%)
Gene name: colG
Sequence domains: Bacterial pre-peptidase C-terminal domain
Structure domains: Jelly Rolls
Collagenase ColG Chain: B
Molecule details ›
Chain: B
Length: 118 amino acids
Theoretical weight: 13.51 KDa
Source organism: Hathewaya histolytica
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9X721 (Residues: 1002-1118; Coverage: 11%)
Gene name: colG
Sequence domains: Bacterial pre-peptidase C-terminal domain
Structure domains: Jelly Rolls

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-ID-B
Spacegroup: P21
Unit cell:
a: 40.866Å b: 59.17Å c: 48.8Å
α: 90° β: 100.77° γ: 90°
R-values:
R R work R free
0.18 0.179 0.21
Expression system: Escherichia coli