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Percentage population of various geometries of the first inosine–uracil (I–U) base pair in the tandem I–U/I–U base pairs.
| System Name | The Population of the Substate (in %) | |||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | F | |
| UII | 90 | 6 | 3 | 1 | 0 | 0 |
| CII | 56 | 21 | 4 | 7 | 6 | 6 |
| GII | 84 | 2 | 4 | 4 | 5 | 1 |
| AII | 76 | 4 | 12 | 7 | 1 | 0 |
