| Type | Description |
|---|---|
| Definition | small nuclear RNA U1 at 21D |
| Type | IDs |
|---|---|
| Synonymous | 21E U1, CR31656, Dmel\CR31656, K5, U1, U1 21D, U1 snRNA, U1-1, U1-21.1, U1-21D, U14, U1:21D, U1a, U1a-21D, U1a1(AT)[[15]], U1snRNA, U1snRNA21D, dU1, snRNA-U1-21.1, snRNA1, snRNA:U1 |