Lineage for Superfamily a.137.4: Fe-only hydrogenase smaller subunit
- Root: SCOP 1.55
Class a: All alpha proteins [46456] (138 folds) 
Fold a.137: Non-globular all-alpha subunits of globular proteins [48661] (8 superfamilies) Superfamily a.137.4: Fe-only hydrogenase smaller subunit [48674] (1 family) 
Family:
a.137.4.1: Fe-only hydrogenase smaller subunit [48675] (1 protein)
More info for Superfamily a.137.4: Fe-only hydrogenase smaller subunit
Timeline for Superfamily a.137.4: Fe-only hydrogenase smaller subunit:
- Superfamily a.137.4: Fe-only hydrogenase smaller subunit appears in SCOP 1.57
- Superfamily a.137.4: Fe-only hydrogenase smaller subunit appears in the current release, SCOPe 2.08