Classification of alpha-beta loops
Click the class numbers (e.g. 0.1.1) to see the loop picture.
| Class | CN | D | Delta | Theta | Rho | NR | RMSD | Consensus | Nomenclature |
|---|---|---|---|---|---|---|---|---|---|
| aa{}bb (15 loops) |
0.1.1 | 3 | 45-90 | 45-90 | 135-180 | 0,1,2 | 1.1 ± 0.4 | XphX aabb |
New |
| 0.1.2 | 3 | 0-45 | 0-45 | 90-135 | 1,2 | 1.9 ± 0.2 | pphX aabb |
New |
|
| 0.1.3 | 9 | 45-90 | 45-90 | 45-90 | 2,4 | 1.1 ± 0.2 | phXp aabb |
New |
|
| aa{g}bb (89 loops) |
1.1.1 | 5 | 45-90 | 90-135 | 90-135 | 1,2,3 | 1.0 ± 0.6 | phGhX aagbb |
a(m)gaLb conformation |
| 1.1.2 | 7 | 90-135 | 135-180 | 90-135 | 2,3,4 | 0.7 ± 0.4 | ppGhpp aagbb |
a(m)gaLb conformation |
|
| 1.1.3 | 7 | 90-135 | 90-135 | 135-180 | 1,2,3 | 1.2 ± 0.2 | XpGhp aagpb |
a(m)gaLb conformation |
|
| 1.1.4 | 7 | 90-135 | 135-180 | 45-90 | 2,3,4 | 1.4 ± 0.5 | ppphh aagbb |
a(m)gaLb conformation |
|
| 1.1.5 | 7 | 45-90 | 135-180 | 90-135 | 4 | 1.3 ± 0.3 | ppGhp aagbb |
a(m)gaLb conformation |
|
| 1.1.6 | 9 | 90-135 | 135-180 | 135-180 | 2,3,4 | 0.8 ± 0.3 | pXGhp aagbb |
a(m)gaLb conformation |
|
| aa{l}bb (57 loops) |
1.2.1 | 7 | 90-135 | 135-180 | 90-135 | 1 | 1.3 ± 0.3 | phGhX aalbb |
a(m)gaLb conformation |
| 1.2.2 | 9 | 90-135 | 135-180 | 90-135 | 1,2,3,4 | 1.3 ± 0.4 | ppGhx aalbb |
a(m)gaLb conformation |
|
| 1.2.3 | 9 | 90-135 | 135-180 | 45-90 | 2,3,4,5 | 1.3 ± 0.4 | ppGhX aalbb |
a(m)gaLb conformation |
|
| 1.2.4 | 9 | 90-135 | 90-135 | 45-90 | 2,3,4 | 1.5 ± 0.3 | pXXXX aalbb |
a(m)gaLb conformation |
|
| 1.2.5 | 11 | 90-135 | 135-180 | 45-90 | 3,4 | 1.7 ± 0.3 | ppGhp aalbp |
a(m)gaLb conformation |
|
| 1.2.6 | 13 | 90-135 | 135-180 | 0-45 | 3,4,5 | 1.2 ± 0.3 | XhXXX aalbb |
a(m)gaLb conformation |
|
| aa{p}bb (9 loops) |
1.3.1 | 5 | 45-90 | 45-90 | 90-135 | 0,1 | 1.2 ± 0.1 | ppGph aapbb |
New |
| 1.3.2 | 7 | 0-45 | 45-90 | 90-135 | 2,3 | 1.1 ± 0.3 | hphph aapbb |
New |
|
| aa{ba}bb (8 loops) |
2.1.1 | 9 | 45-90 | 135-180 | 45-90 | 3,5 | 1.0 ± 0.2 | XXXphh aababb |
babb transition |
| 2.1.2 | 9 | 45-90 | 135-180 | 0-45 | 4,5,6 | 1.1 ± 0.2 | phVDhh aababb |
babb transition |
|
| aa{gp}bb (11 loops) |
2.2.1 | 7 | 90-135 | 135-180 | 45-90 | 1,2,3,4,5 | 1.5 ± 0.8 | ppGhXh aagpbb |
a(m)gaLb conformation |
| 2.2.2 | 7 | 45-90 | 90-135 | 90-135 | 2,3 | 1.8 ± 0.4 | ppXhhp aalpbb |
a(m)gaLb conformation |
|
| aa{la}aa (6 loops) |
2.3.1 | 7 | 45-90 | 90-135 | 135-180 | 2,3,4 | 1.7 ± 0.7 | ppXXhp aalabb |
New |
| aa{gpa}bb (29 loops) | 3.1.1 | 9 | 90-135 | 135-180 | 0-45 | 3,4,5 | 1.9 ± 0.4 | XXGhphh aagpabb |
a(m)gaLbab(n) |
| aa{lpa}bb (18 loops) | 3.2.1 | 9 | 90-135 | 135-180 | 0-45 | 4,5,6 | 1.4 ± 0.6 | XXGhphh aalpabb |
a(m)gaLbab(n) |
| aa{baa}bb (5 loops) | 3.3.1 | 9 | 90-135 | 135-180 | 0-45 | 3,4,5 | 1.0 ± 0.2 | XXXPpAp aabaabb |
bagb transition |
| aa{laba}bb (8 loops) |
4.1.1 | 11 | 90-135 | 135-180 | 0-45 | 5,6 | 1.2 ± 0.2 | ppGhhphh aalababb |
a(m)gaLababb(n) conformation |
| 4.1.2 | 9 | 45-90 | 135-180 | 135-180 | 4,5,6 | 1.6 ± 0.3 | pppXhDXh aalababb |
a(m)gaLababb(n) conformation |
|
| aa{gpae}bb (5 loops) | 4.2.1 | 9 | 90-135 | 135-180 | 0-45 | 3,4 | 0.8 ± 0.3 | XXGAXGhh aagpaebb |
New Mainly found in the FMN family |
| aa{baalal}bb (7 loops) | 6.1.1 | 9 | 90-135 | 45-90 | 0-45 | 6,7 | 1.1 ± 0.6 | XhDXpppXXh aabaalalbb |
EF-hand (Ca2+ binding loop) |
Last modified: 09-September-1997