7-methylguanosine cap hypermethylation GO_0036261
7-methylguanosine cap hypermethylation
ID: GO_0036261
Class
Hypermethylation of the 7-(mono)methylguanosine (m(7)G) cap structure at the 2' position of the guanosine residue to convert a mono-methylated cap to a 2,2,7-trimethylguanosine cap structure. This type of cap modification occurs on small nuclear RNAs (snRNAs) and small nucleolar RNAs (snoRNAs) and is dependent on prior guanine-N7 methylation.
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Alternative Names
| Synonym | Scope | Reference |
|---|---|---|
| snoRNA capping | narrow synonym | rl |
| hypermethylation of snoRNA cap | narrow synonym | mah |
| snRNA capping | narrow synonym | rl |
| hypermethylation of snRNA cap | narrow synonym | mah |
| 2,2,7-trimethylguanosine cap formation | exact synonym | 11983179 |
| m(7)G cap hypermethylation | exact synonym | bf |
| conversion of m(7)G to m(3)G | exact synonym | 11983179 |
| TMG cap formation | exact synonym | 11983179 |