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 P23339
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)

P23339
RIPS_PHYAM
Phytolacca americana
Antiviral protein S

PDB Structure

PDB 1J1R
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal Structure of Pokweed Antiviral Protein from Seeds (PAP-S1) at 1.8 Angstrom Resolution
Watanabe, K., Sato, E., Honjo, E., Motoshima, H., Kurokawa, H., Mikami, B., Monzingo, A.F., Robertus, J.D., Fujii, H., Hidaka, A.
To be published