Lineage for Superfamily b.42.4: STI-like
- Root: SCOP 1.73
Class b: All beta proteins [48724] (165 folds) 
Fold b.42: beta-Trefoil [50352] (8 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) 
Families:
b.42.4.1: Kunitz (STI) inhibitors [50387] (7 proteins) b.42.4.2: Clostridium neurotoxins, C-terminal domain [50399] (2 proteins)
overall fold is very similar to that of the STI family
More info for Superfamily b.42.4: STI-like
Timeline for Superfamily b.42.4: STI-like:
- Superfamily b.42.4: STI-like first appeared (with stable ids) in SCOP 1.55
- Superfamily b.42.4: STI-like appears in SCOP 1.71
- Superfamily b.42.4: STI-like appears in SCOP 1.75
- Superfamily b.42.4: STI-like appears in the current release, SCOPe 2.08