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 6CWG
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Contribution of an unusual CDR2 element of a single domain antibody in ricin toxin binding affinity and neutralizing activity.
Rudolph, M.J., Vance, D.J., Kelow, S., Angalakurthi, S.K., Nguyen, S., Davis, S.A., Rong, Y., Middaugh, C.R., Weis, D.D., Dunbrack Jr., R., Karanicolas, J., Mantis, N.J.
Protein Eng. Des. Sel.