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 P16094 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)
| P16094 | RIP1_MOMCH Momordica charantia Ribosome-inactivating protein momordin I | 
PDB Structure
| PDB | 1MRH | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | |
| Primary Citation | Studies on crystal structures, active-centre geometry and depurinating mechanism of two ribosome-inactivating proteins. Biochem.J. | 
