PDBe 1abr

X-ray diffraction
2.14Å resolution

CRYSTAL STRUCTURE OF ABRIN-A

Released:
Source organism: Abrus precatorius
Primary publication:
Crystal structure of abrin-a at 2.14 A.
J. Mol. Biol. 250 354-67 (1995)
PMID: 7608980

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Abrin-a A chain Chain: A
Molecule details ›
Chain: A
Length: 251 amino acids
Theoretical weight: 28.12 KDa
Source organism: Abrus precatorius
Expression system: Not provided
UniProt:
  • Canonical: P11140 (Residues: 1-251; Coverage: 48%)
Sequence domains: Ribosome inactivating protein
Structure domains:
Abrin-a B chain Chain: B
Molecule details ›
Chain: B
Length: 267 amino acids
Theoretical weight: 30.11 KDa
Source organism: Abrus precatorius
Expression system: Not provided
UniProt:
  • Canonical: P11140 (Residues: 262-528; Coverage: 51%)
Sequence domains: Ricin-type beta-trefoil lectin domain
Structure domains: Trefoil (Acidic Fibroblast Growth Factor, subunit A)

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 84.58Å b: 73.07Å c: 48.23Å
α: 90° β: 96.2° γ: 90°
R-values:
R R work R free
0.189 0.189 not available
Expression system: Not provided