CATH Classification

Domain Context

CATH Clusters

Superfamily 2.80.10.50
Functional Family

Enzyme Information

3.2.2.22
rRNA N-glycosylase.
based on mapping to UniProt P81446
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)

P81446
ML1_VISAL
Viscum album
Beta-galactoside-specific lectin 1

PDB Structure

PDB 1OQL
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure at 3 A of mistletoe lectin I, a dimeric type-II ribosome-inactivating protein, complexed with galactose
Niwa, H., Tonevitsky, A.G., Agapov, I.I., Saward, S., Pfuller, U., Palmer, R.A.
EUR.J.BIOCHEM.
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