CATH Classification

Domain Context

CATH Clusters

Superfamily Ricin (A Subunit), domain 2
Functional Family Antiviral protein I

Enzyme Information

3.2.2.22
rRNA N-glycosylase.
based on mapping to UniProt P10297
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)

P10297
RIP1_PHYAM
Phytolacca americana
Antiviral protein I

PDB Structure

PDB 1QCG
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
X-ray crystallographic analysis of the structural basis for the interactions of pokeweed antiviral protein with its active site inhibitor and ribosomal RNA substrate analogs.
Kurinov, I.V., Myers, D.E., Irvin, J.D., Uckun, F.M.
Protein Sci.