3tgk

X-ray diffraction
1.7Å resolution

TRYPSINOGEN MUTANT D194N AND DELETION OF ILE 16-VAL 17 COMPLEXED WITH BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133397 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Anionic trypsin-2 Chain: E
Molecule details ›
Chain: E
Length: 231 amino acids
Theoretical weight: 24.73 KDa
Source organism: Rattus norvegicus
Expression system: Saccharomyces
UniProt:
  • Canonical: P00763 (Residues: 15-246; Coverage: 99%)
Gene names: Prss2, Try2
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Pancreatic trypsin inhibitor Chain: I
Molecule details ›
Chain: I
Length: 65 amino acids
Theoretical weight: 7.34 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00974 (Residues: 36-100; Coverage: 82%)
Sequence domains: Kunitz/Bovine pancreatic trypsin inhibitor domain
Structure domains: Pancreatic trypsin inhibitor Kunitz domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P3221
Unit cell:
a: 92.58Å b: 92.58Å c: 62.03Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.184 0.184 0.218
Expression system: Saccharomyces