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 Q40772
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)

Q40772
RIP2_PHYAM
Phytolacca americana
Antiviral protein 2

PDB Structure

PDB 1LLN
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
High resolution X-ray structure of potent anti-HIV pokeweed antiviral protein-III
Kurinov, I.V., Uckun, F.M.
Biochem.Pharm.