1cbw

X-ray diffraction
2.6Å resolution

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer (preferred)
hetero octamer
PDBe Complex ID:
PDB-CPX-133406 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Chymotrypsin A chain A Chains: A, F
Molecule details ›
Chains: A, F
Length: 13 amino acids
Theoretical weight: 1.25 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00766 (Residues: 1-13; Coverage: 5%)
Chymotrypsin A chain B Chains: B, G
Molecule details ›
Chains: B, G
Length: 131 amino acids
Theoretical weight: 13.93 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00766 (Residues: 16-146; Coverage: 54%)
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Chymotrypsin A chain C Chains: C, H
Pancreatic trypsin inhibitor Chains: D, I

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P61
Unit cell:
a: 101.6Å b: 101.6Å c: 205.9Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.192 0.192 0.251