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 | Ricin |
Enzyme Information
| 3.2.2.22 |
rRNA N-glycosylase.
based on mapping to UniProt Q03464
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)
| Q03464 |
RIPA_PHYAM
Phytolacca americana
Antiviral protein alpha
|
PDB Structure
| PDB | 1APA |
| External Links | |
| Method | X-RAY DIFFRACTION |
| Organism | |
| Primary Citation |
X-ray structure of a pokeweed antiviral protein, coded by a new genomic clone, at 0.23 nm resolution. A model structure provides a suitable electrostatic field for substrate binding.
Eur.J.Biochem.
|