Class b: All beta proteins [48724] (126 folds) |
Fold b.81: Single-stranded left-handed beta-helix [51160] (2 superfamilies) superhelix with each turn made by 3 strands with short links |
b.81.1: Trimeric LpxA-like enzymes [51161] (5 families) duplication: the sequence hexapeptide repeats correspond to individual strands |
b.81.2: An insect antifreeze protein [51177] (1 family) |
Timeline for Fold b.81: Single-stranded left-handed beta-helix: