3ldi

X-ray diffraction
2.2Å resolution

Crystal structure of aprotinin in complex with sucrose octasulfate: unusual interactions and implication for heparin binding

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo decamer (preferred)
PDBe Complex ID:
PDB-CPX-133761 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pancreatic trypsin inhibitor Chains: A, B, C, D, E
Molecule details ›
Chains: A, B, C, D, E
Length: 58 amino acids
Theoretical weight: 6.53 KDa
Source organism: Bos taurus
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

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 4A
Spacegroup: P6322
Unit cell:
a: 119.08Å b: 119.08Å c: 110.794Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.207 0.206 0.234