X-ray diffraction
1.83Å resolution

Crystal structure of 1 in complex with tafCPB


Function and Biology Details

Reaction catalysed:
Preferential release of a C-terminal lysine or arginine amino acid.
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Carboxypeptidase B Chain: A
Molecule details ›
Chain: A
Length: 307 amino acids
Theoretical weight: 34.86 KDa
Source organism: Sus scrofa
Expression system: Komagataella pastoris
  • Canonical: P09955 (Residues: 111-416; Coverage: 76%)
Gene names: CPB, CPB1
Sequence domains: Zinc carboxypeptidase
Structure domains: Zn peptidases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P41212
Unit cell:
a: 82.513Å b: 82.513Å c: 95.131Å
α: 90° β: 90° γ: 90°
R R work R free
0.145 0.141 0.199
Expression system: Komagataella pastoris