CATH Classification

Domain Context

CATH Clusters

Superfamily Ricin (A subunit), domain 1
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 4Z9K
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural analysis of nested neutralizing and non-neutralizing B cell epitopes on ricin toxin's enzymatic subunit.
Rudolph, M.J., Vance, D.J., Cassidy, M.S., Rong, Y., Shoemaker, C.B., Mantis, N.J.
Proteins