CATH Classification

Domain Context

CATH Clusters

Superfamily Ricin (A Subunit), domain 2
Functional Family Ricin

Enzyme Information

3.2.2.22
rRNA N-glycosylase.
based on mapping to UniProt P02879
Endohydrolysis of the N-glycosidic bond at one specific adenosine on the 28S rRNA.
-!- Ricin A-chain and related toxins show this activity. -!- Naked rRNA is attacked more slowly than rRNA in intact ribosomes. -!- Naked rRNA from Escherichia coli is cleaved at a corresponding position.

UniProtKB Entries (1)

P02879
RICI_RICCO
Ricinus communis
Ricin

PDB Structure

PDB 4MX5
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Sulfur incorporation generally improves Ricin inhibition in pterin-appended glycine-phenylalanine dipeptide mimics.
Wiget, P.A., Manzano, L.A., Pruet, J.M., Gao, G., Saito, R., Monzingo, A.F., Jasheway, K.R., Robertus, J.D., Anslyn, E.V.
Bioorg.Med.Chem.Lett.