1bzx

X-ray diffraction
2.1Å resolution

THE CRYSTAL STRUCTURE OF ANIONIC SALMON TRYPSIN IN COMPLEX WITH BOVINE PANCREATIC TRYPSIN INHIBITOR

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133756 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Trypsin-1 Chain: E
Molecule details ›
Chain: E
Length: 222 amino acids
Theoretical weight: 23.86 KDa
Source organism: Salmo salar
UniProt:
  • Canonical: P35031 (Residues: 21-242; Coverage: 98%)
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Pancreatic trypsin inhibitor Chain: I
Molecule details ›
Chain: I
Length: 58 amino acids
Theoretical weight: 6.53 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00974 (Residues: 36-93; Coverage: 73%)
Sequence domains: Kunitz/Bovine pancreatic trypsin inhibitor domain
Structure domains: Pancreatic trypsin inhibitor Kunitz domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM1A
Spacegroup: P6122
Unit cell:
a: 84.12Å b: 84.12Å c: 222.15Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.206 0.206 0.238