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 Q6ITZ3
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)

Q6ITZ3
ML4_VISAL
Viscum album
Beta-galactoside-specific lectin 4

PDB Structure

PDB 1YF8
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure of himalayan mistletoe ribosome-inactivating protein reveals the presence of a natural inhibitor and a new functionally active sugar-binding site.
Mishra, V., Bilgrami, S., Sharma, R.S., Kaur, P., Yadav, S., Krauspenhaar, R., Betzel, C., Voelter, W., Babu, C.R., Singh, T.P.
J.Biol.Chem.