X-ray diffraction
1.4Å resolution

Insulin after a high dose x-ray burn

Source organism: Bos taurus
Primary publication:
Improving radiation-damage substructures for RIP.
Acta Crystallogr. D Biol. Crystallogr. 61 1227-37 (2005)
PMID: 16131756

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Insulin A chain Chain: A
Molecule details ›
Chain: A
Length: 21 amino acids
Theoretical weight: 2.34 KDa
Source organism: Bos taurus
  • Canonical: P01317 (Residues: 85-105; Coverage: 26%)
Gene name: INS
Insulin B chain Chain: B
Molecule details ›
Chain: B
Length: 30 amino acids
Theoretical weight: 3.4 KDa
Source organism: Bos taurus
  • Canonical: P01317 (Residues: 25-54; Coverage: 37%)
Gene name: INS
Sequence domains: Insulin/IGF/Relaxin family

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: I213
Unit cell:
a: 77.9Å b: 77.9Å c: 77.9Å
α: 90° β: 90° γ: 90°
R R work R free
0.133 0.131 0.165