3aui

X-ray diffraction
1.85Å resolution

A simplified BPTI variant with poly Glu amino acid tag (C3E) at the C-terminus

Released:
Source organism: Bos taurus
Entry authors: Islam MM, Kato A, Khan MMA, Noguchi K, Yohda M, Kidokoro SI, Kuroda Y

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-163425 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bovine pancreatic trypsin inhibitor Chains: A, B
Molecule details ›
Chains: A, B
Length: 63 amino acids
Theoretical weight: 6.49 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
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: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: C2
Unit cell:
a: 64.849Å b: 48.858Å c: 36.79Å
α: 90° β: 109.05° γ: 90°
R-values:
R R work R free
0.228 0.223 0.312
Expression system: Escherichia coli