1g6x

X-ray diffraction
0.86Å resolution

ULTRA HIGH RESOLUTION STRUCTURE OF BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT WITH ALTERED BINDING LOOP SEQUENCE

Released:
Source organism: Bos taurus
Primary publication:
Ultrahigh-resolution structure of a BPTI mutant.
Acta Crystallogr D Biol Crystallogr 57 649-63 (2001)
PMID: 11320305

Function and Biology Details

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
PDBe Complex ID:
PDB-CPX-133749 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pancreatic trypsin inhibitor Chain: A
Molecule details ›
Chain: A
Length: 58 amino acids
Theoretical weight: 6.48 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

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P43212
Unit cell:
a: 51.891Å b: 51.891Å c: 43.035Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.107 not available 0.14
Expression system: Escherichia coli