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 1GIK
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure of pokeweed antiviral protein with well-defined sugars from seeds at 1.8 angstrom resolution
Zeng, Z.H., He, X.L., Li, H.M., Hu, Z., Wang, D.C.
J.Struct.Biol.