Lineage for Superfamily a.137.4: Fe-only hydrogenase smaller subunit
- Root: SCOP 1.73
Class a: All alpha proteins [46456] (258 folds) 
Fold a.137: Non-globular all-alpha subunits of globular proteins [48661] (12 superfamilies)
not a true fold
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 first appeared (with stable ids) in SCOP 1.55
- Superfamily a.137.4: Fe-only hydrogenase smaller subunit appears in SCOP 1.71
- Superfamily a.137.4: Fe-only hydrogenase smaller subunit appears in SCOP 1.75
- Superfamily a.137.4: Fe-only hydrogenase smaller subunit appears in the current release, SCOPe 2.08