X-ray diffraction
1Å resolution

Crystal Structure of Cyclic Bovine Pancreatic Trypsin Inhibitor

Source organism: Bos taurus
Primary publication:
Crystal structure of a cyclic form of bovine pancreatic trypsin inhibitor.
FEBS Lett 509 90-4 (2001)
PMID: 11734212

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Pancreatic trypsin inhibitor Chain: A
Molecule details ›
Chain: A
Length: 58 amino acids
Theoretical weight: 6.48 KDa
Source organism: Bos taurus
Expression system: Not provided
  • 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

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X9B
Spacegroup: P43212
Unit cell:
a: 51.904Å b: 51.904Å c: 42.896Å
α: 90° β: 90° γ: 90°
R R work R free
0.129 0.118 0.162
Expression system: Not provided