CATH Classification

Domain Context

CATH Clusters

Superfamily Ricin (A Subunit), domain 2
Functional Family

Enzyme Information

3.2.2.22
rRNA N-glycosylase.
based on mapping to UniProt P09385
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)

P09386
STXB_BP933
Enterobacteria phage 933W
Shiga-like toxin 2 subunit B

PDB Structure

PDB 2GA4
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Binding of adenine to Stx2, the protein toxin from Escherichia coli O157:H7.
Fraser, M.E., Cherney, M.M., Marcato, P., Mulvey, G.L., Armstrong, G.D., James, M.N.
Acta Crystallogr.,Sect.F