Class b: All beta proteins [48724] (141 folds) |
Fold b.42: beta-Trefoil [50352] (6 superfamilies) barrel, closed; n=6, S=12; and a hairpin triplet; meander duplication: has internal pseudo threefold symmetry |
Superfamily b.42.4: STI-like [50386] (2 families) |
b.42.4.1: Kunitz (STI) inhibitors [50387] (5 proteins) |
b.42.4.2: Clostridium neurotoxins, C-terminal domain [50399] (2 proteins) overall fold is very similar to that of the STI family |
Timeline for Superfamily b.42.4: STI-like: