› 1k6u

X-ray diffraction
1Å resolution

Crystal Structure of Cyclic Bovine Pancreatic Trypsin Inhibitor

Released:
DOI: 10.2210/pdb1k6u/pdb
PDB entry 1k6u coloured by chain, front view.
PDB entry 1k6u coloured by chain, side view.
PDB entry 1k6u coloured by chain, top view.
Source organism: Bos taurus
Primary publication:
Crystal structure of a cyclic form of bovine pancreatic trypsin inhibitor.
Botos I, Wu Z, Lu W, Wlodawer A
FEBS Lett 509 90-4 (2001)
PMID: 11734212

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
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: Not provided
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:
Ligand SO4 7 x SO4
Ligand EDO 2 x EDO
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-values:
R R work R free
0.129 0.118 0.162
Expression system: Not provided

Quick links

Citations

1 review citation

Novel forms of chemical protein diversity -- in nature and in the laboratory.
Kent S. (2004)
6 other articles

7 mentions without citation

Protein crystallography for aspiring crystallographers or how to avoid pitfalls and traps in macromolecular structure determination.
Wlodawer et al. (2013)
6 more