Lineage for Fold a.23: Open three-helical up-and-down bundle
- Root: SCOP 1.57
Class a: All alpha proteins [46456] (144 folds) 
Fold a.23: Open three-helical up-and-down bundle [47143] (4 superfamilies)
Superfamilies:
a.23.1: HSC20 (HSCB), C-terminal oligomerisation domain [47144] (1 family) 
a.23.2: Diol dehydratase, gamma subunit [47148] (1 family) 
a.23.3: Methane monooxygenase hydrolase, gamma subunit [47152] (1 family) 
a.23.4: Mitochondrial import receptor subunit Tom20 [47157] (1 family)
More info for Fold a.23: Open three-helical up-and-down bundle
Timeline for Fold a.23: Open three-helical up-and-down bundle:
- Fold a.23: Open three-helical up-and-down bundle first appeared (with stable ids) in SCOP 1.55
- Fold a.23: Open three-helical up-and-down bundle appears in SCOP 1.59
- Fold a.23: Open three-helical up-and-down bundle appears in the current release, SCOPe 2.08