1ejm

X-ray diffraction
1.85Å resolution

CRYSTAL STRUCTURE OF THE BPTI ALA16LEU MUTANT IN COMPLEX WITH BOVINE TRYPSIN

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133321 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine protease 1 Chains: A, C, E
Molecule details ›
Chains: A, C, E
Length: 223 amino acids
Theoretical weight: 23.32 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00760 (Residues: 24-246; Coverage: 97%)
Gene names: PRSS1, TRP1, TRY1, TRYP1
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Pancreatic trypsin inhibitor Chains: B, D, F
Molecule details ›
Chains: B, D, F
Length: 58 amino acids
Theoretical weight: 6.58 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
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
Spacegroup: I4122
Unit cell:
a: 180.87Å b: 180.87Å c: 170.51Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.212 0.211 0.233
Expression system: Escherichia coli