3rtj

X-ray diffraction
3Å resolution

Crystal structure of ricin bound with dinucleotide ApG

Released:
Source organism: Ricinus communis
Primary publication:
X-ray analysis of substrate analogs in the ricin A-chain active site.
J Mol Biol 227 1136-45 (1992)
PMID: 1433290

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-136289 (preferred)
Entry contents:
2 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (5 distinct):
Ricin A chain Chain: A
Molecule details ›
Chain: A
Length: 267 amino acids
Theoretical weight: 29.94 KDa
Source organism: Ricinus communis
UniProt:
  • Canonical: P02879 (Residues: 36-302; Coverage: 49%)
Sequence domains: Ribosome inactivating protein
Structure domains:
Ricin B chain Chain: B
Molecule details ›
Chain: B
Length: 262 amino acids
Theoretical weight: 28.99 KDa
Source organism: Ricinus communis
UniProt:
  • Canonical: P02879 (Residues: 315-576; Coverage: 48%)
Sequence domains: Ricin-type beta-trefoil lectin domain
Structure domains: Trefoil (Acidic Fibroblast Growth Factor, subunit A)
RNA (5'-R(*AP*G)-3') Chain: D
Molecule details ›
Chain: D
Length: 2 nucleotides
Theoretical weight: 629 Da

Ligands and Environments

Carbohydrate polymer : NEW Components: BGC, GAL
Carbohydrate polymer : NEW Components: NAG
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ELLIOTT GX-20
Spacegroup: P212121
Unit cell:
a: 72.74Å b: 78.49Å c: 114.34Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.198 0.198 not available