Classification of beta hairpins
Click the class numbers (e.g. 2.1.1)
to see the loop picture.
| Class | CN | D | Delta | Theta | Rho | NR | RMSD | Consensus | Nomenclature |
|---|---|---|---|---|---|---|---|---|---|
| bb{lg}bb (75 loops) |
2.1.1 | 3 | 45-90 | 135-180 | 0-45 | 2,3 | 1.1 ± 0.5 | pXpGpp bblgbb |
Type I' 2:2 |
| 2.1.2 | 5 | 90-135 | 135-180 | 315-360 | 2,3,4 | 0.6 ± 0.4 | pXpGpp bblgbb |
Type I' 2:2 |
|
| 2.1.3 | 7 | 90-135 | 90-135 | 45-90 | 2 | 1.5 ± 0.5 | XhpGph bblgbb |
Type I' 2:2 |
|
| bb{ea}bb (34 loops) |
2.2.1 | 5 | 90-135 | 135-180 | 315-360 | 2,4,5 | 0.6 ± 0.2 | XXGXXX bbeabb |
Type II' 2:2 and 2:4-b |
| 2.2.2 | 5 | 90-135 | 135-180 | 45-90 | 2,4 | 1.3 ± 0.5 | XXXXXX bbeabb |
Type II' 2:2 and 2:4 |
|
| bb{aa}bb (16 loops) |
2.3.1 | 5 | 45-90 | 135-180 | 315-360 | 2,3,4 | 1.1 ± 0.5 | XXXXpX bbaabb |
Type I 2:4 |
| 2.3.2 | 5 | 90-135 | 135-180 | 315-360 | 3,4 | 0.8 ± 0.2 | XppXph bbaabb |
Type I 2:4 |
|
| 2.3.3 | 5 | 45-90 | 135-180 | 90-135 | 3,4 | 0.6 ± 0.3 | pppTXh bbaabb |
Type I 2:4 |
|
| bb{ll}bb (5 loops) |
2.4.1 | 5 | 90-135 | 135-180 | 315-360 | 3,4,5 | 0.7 ± 0.3 | Xhphph bbllbb |
Type I' 2:2 |
| bb{pg}bb (4 loops) |
2.5.1 | 5 | 90-135 | 90-135 | 315-360 | 2,3 | 1.8 ± 0.7 | XXXGhX bbpgbb |
Type II 2:2 |
| bb{aag}bb (55 loops) |
3.1.1 | 5 | 45-90 | 135-180 | 315-360 | 3,4 | 0.5 ± 0.2 | hpXpGhh bbaagbb |
Type I[1-4] +G1 b-bulge 3:5 |
| 3.1.2 | 5 | 90-135 | 135-180 | 315-360 | 4,5 | 0.5 ± 0.2 | XpXpGpX bbaagbb |
Type I[1-4] +G1 b-bulge 3:5 |
|
| bb{aae}bb (13 loops) |
3.2.1 | 5 | 90-135 | 135-180 | 315-360 | 2 | 0.6 ± 0.2 | ppXpGXX bbaaebb |
New Type I 2:2 +deformed strand |
| bb{aal}bb (11 loops) |
3.3.1 | 5 | 90-135 | 135-180 | 315-360 | 4 | 0.9 ± 0.4 | XXppXXX bbaalbb |
Type I[1-4] +G1 b-bulge 3:5 |
| bb{aaal}bb (45 loops) |
4.1.1 | 5 | 90-135 | 135-180 | 315-360 | 4,5 | 0.5 ± 0.2 | hpXppXph bbaaalbb |
Type I[1-4] 4:4 |
| 4.1.2 | 7 | 90-135 | 135-180 | 315-360 | 4,5,6 | 0.7 ± 0.5 | hDXppXph bbaaalbb |
Type I[1-4] 4:4 |
|
| 4.1.3 | 7 | 135-180 | 135-180 | 315-360 | 5 | 0.8 ± 0.4 | hpXppGpX bbaaalbb |
Type I[1-4] 4:4 |
|
| bb{abaa}bb (5 loops) |
4.2.1 | 5 | 90-135 | 135-180 | 315-360 | 2 | 0.9 ± 0.4 | XhXpXpTh bbabaabb |
New C b-bulge + Type I 2:2 |
| bb{aala}bb (5 loops) |
4.3.1 | 7 | 90-135 | 135-180 | 315-360 | 5,6 | 1.0 ± 0.3 | hXXDXpTh bbaalabb |
New Type I[1-4] 4:4 +extended G1 b-bulge |
| bb{aabaa}bb (4 loops) |
5.1.1 | 5 | 45-90 | 135-180 | 315-360 | 7,8,9 | 1.4 ± 0.3 | XppXpPpXX bbaabaabb |
New Heart shaped |
| bb{apaaba}bb (4 loops) |
6.1.1 | 5 | 90-135 | 135-180 | 315-360 | 6,7,8 | 1.4 ± 0.5 | hpXXXphppp bbapaababb |
New |
| bb{paaalppa}bb (4 loops) | 8.1.1 | 7 | 90-135 | 135-180 | 45-90 | 4,5 | 1.0 ± 0.6 | VhpXppGphhhX bbpaaalppabb |
New p + Type I[1-4] 4:4 +pp II + C b-bulge |
Last modified: 09-September-1997