Table 1.
Loop distances as defined by O3′-O5′ distancesa
| PDB Code | Sequence | Loop 1 | Loop 2 | Loop 3 |
|---|---|---|---|---|
| 143D | dA(GGGTTA)3GGG (39) type: antiparallel basket | 12.1 l | 19.7 d | 14.3 l |
| 148D | d(GGTTGGTGTGGTTGG) (36) type: antiparallel chair | 12.3 l | 13.8 l | 12.0 l |
| 1I34 | dGGTTTTGGCAG GGTTTTGGT) (40) type: hybrid | 19.0 d | 11.3 r | 20.4 d |
| 1KF1 | dA(GGGTTA)3GGG) (35) type: parallel | 10.8 r | 11.3 r | 9.7 r |
| 2HY9 | dAAA(GGGTTA)3GGGAA (41) type: hybrid | 11.1 r | 16.2 l | 11.5 l |
| 2JPZ | dTTA(GGGTTA)3GGGTT (42) type: hybrid | 15.8 l | 12.6 l | 11.9 r |
| 2F8U | d(GGGCGCGGGA GGAATTGGGCGGG) (37) | 15.8 l | 12.8 l | 6.0 r |
| 2GKU | d(TTA(GGGTTA)3GGGA) (38) type: hybrid | 11.9 r | 17.2 l | 8.8 l |
aThese are taken from the first structure in the PDB files for NMR structures, therefore are part of the ensemble of structures that satisfy the spatial constraints. l, lateral; r, double chain reversal; d, diagonal. Distances are in Å.