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 P11140
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)

P11140
ABRA_ABRPR
Abrus precatorius
Abrin-a

PDB Structure

PDB 5Z3I
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural basis for neutralization of cytotoxic abrin by monoclonal antibody D6F10.
Bansia, H., Bagaria, S., Karande, A.A., Ramakumar, S.
FEBS J.