1f57

X-ray diffraction
1.75Å resolution

CARBOXYPEPTIDASE A COMPLEX WITH D-CYSTEINE AT 1.75 A

Released:

Function and Biology Details

Reaction catalysed:
Release of a C-terminal amino acid, but little or no action with -Asp, -Glu, -Arg, -Lys or -Pro.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133045 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carboxypeptidase A1 Chain: A
Molecule details ›
Chain: A
Length: 307 amino acids
Theoretical weight: 34.45 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00730 (Residues: 111-417; Coverage: 76%)
Gene names: CPA, CPA1
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: RIGAKU
Spacegroup: P21
Unit cell:
a: 44.389Å b: 57.712Å c: 58.193Å
α: 90° β: 101.62° γ: 90°
R-values:
R R work R free
0.137 0.137 0.164