2gmt

X-ray diffraction
1.8Å resolution

THREE-DIMENSIONAL STRUCTURE OF CHYMOTRYPSIN INACTIVATED WITH (2S) N-ACETYL-L-ALANYL-L-PHENYLALANYL-CHLOROETHYL KETONE: IMPLICATIONS FOR THE MECHANISM OF INACTIVATION OF SERINE PROTEASES BY CHLOROKETONES

Released:

Function and Biology Details

Reaction catalysed:
Preferential cleavage: Tyr-|-Xaa, Trp-|-Xaa, Phe-|-Xaa, Leu-|-Xaa.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133435 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Chymotrypsin A chain A Chain: A
Molecule details ›
Chain: A
Length: 13 amino acids
Theoretical weight: 1.25 KDa
Source organism: Bos taurus
Expression system: Not provided
UniProt:
  • Canonical: P00766 (Residues: 1-13; Coverage: 5%)
Chymotrypsin A chain B Chain: B
Molecule details ›
Chain: B
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 Chain: C
Molecule details ›
Chain: C
Length: 97 amino acids
Theoretical weight: 10.07 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00766 (Residues: 149-245; Coverage: 40%)
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P42212
Unit cell:
a: 69.5Å b: 69.5Å c: 97.6Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.188 not available not available
Expression system: Not provided