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Summary of nucleocytoplasmic distributions of U3 variantsa
| U3 RNA | Retention in nucleus |
|---|---|
| Wild type | Yes |
| Single variants | |
| 5′ deletion | Yes |
| ΔA′ | Yes |
| ΔA | Yes |
| ΔH | Yes |
| ΔC′ | Yes |
| ΔB | Yes |
| ΔC | Yes |
| ΔD | Yes |
| Double variants | |
| ΔA′B | Yes |
| ΔA′C | Yes |
| ΔAH | Yes |
| ΔAC′ | Yes |
| ΔAC | Yes |
| ΔAD | Yes |
| ΔHC | Yes |
| ΔHD | Yes |
| ΔC′B | No |
| ΔC′C | No |
| ΔC′D | Yes |
| ΔBC | Yes |
| ΔBD | No |
| ΔCD | No |
The distribution of each RNA was analyzed over an 8-h time course (as described for Fig. 2).
