Lineage for Fold a.33: Ectatomin subunits
- Root: SCOP 1.73
Class a: All alpha proteins [46456] (258 folds) 
Fold a.33: Ectatomin subunits [47400] (1 superfamily)
4 helices; bundle, closed, left-handed twist
Superfamily:
a.33.1: Ectatomin subunits [47401] (1 family) 
disulfide-linked heterodimer of similar alpha-hairpin subunits
More info for Fold a.33: Ectatomin subunits
Timeline for Fold a.33: Ectatomin subunits:
- Fold a.33: Ectatomin subunits first appeared (with stable ids) in SCOP 1.55, called Fold a.33: Ectatomin, A & B chains
- Fold a.33: Ectatomin subunits appears in SCOP 1.71
- Fold a.33: Ectatomin subunits appears in SCOP 1.75
- Fold a.33: Ectatomin subunits appears in the current release, SCOPe 2.08