Lineage for Superfamily i.2.1: Helicase
- Root: SCOP 1.75
Class i: Low resolution protein structures [58117] (26 folds) 
Fold i.2: Helicase [58135] (1 superfamily) Superfamily i.2.1: Helicase [58136] (1 family) 
Family:
i.2.1.1: Helicase [58137] (1 protein)
More info for Superfamily i.2.1: Helicase
Timeline for Superfamily i.2.1: Helicase:
- Superfamily i.2.1: Helicase first appeared (with stable ids) in SCOP 1.55
- Superfamily i.2.1: Helicase appears in SCOP 1.73
- Superfamily i.2.1: Helicase appears in SCOPe 2.01
- Superfamily i.2.1: Helicase appears in the current release, SCOPe 2.08