CATH Classification

Domain Context

CATH Clusters

Superfamily Ricin (A subunit), domain 1
Functional Family

Enzyme Information

3.2.2.22
rRNA N-glycosylase.
based on mapping to UniProt P16094
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)

P16094
RIP1_MOMCH
Momordica charantia
Ribosome-inactivating protein momordin I

PDB Structure

PDB 5CF9
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Cleavage of nicotinamide adenine dinucleotide by the ribosome-inactivating protein from Momordica charantia.
Vinkovic, M., Dunn, G., Wood, G.E., Husain, J., Wood, S.P., Gill, R.
Acta Crystallogr.,Sect.F