CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
|   | 3 | Alpha Beta | 
|   | 3.40 | 3-Layer(aba) Sandwich | 
|   | 3.40.420 | Ricin (A subunit); domain 1 | 
|   | 3.40.420.10 | Ricin (A subunit), domain 1 | 
Domain Context
CATH Clusters
| Superfamily | Ricin (A subunit), domain 1 | 
| Functional Family | 
Enzyme Information
| 3.2.2.22 | rRNA N-glycosylase. based on mapping to UniProt Q6ITZ3 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)
| Q6ITZ3 | ML4_VISAL Viscum album Beta-galactoside-specific lectin 4 | 
PDB Structure
| PDB | 1YF8 | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | |
| Primary Citation | Crystal structure of himalayan mistletoe ribosome-inactivating protein reveals the presence of a natural inhibitor and a new functionally active sugar-binding site. J.Biol.Chem. | 
