Fold: Nickel-iron hydrogenase, small subunit

2 domains: (1) alpa/beta; (2) Fe-S cluster-bound

Lineage:

1. Root: scop
2. Class: Multi-domain proteins (alpha and beta)
   Folds consisting of two or more domains belonging to different classes
3. Fold: Nickel-iron hydrogenase, small subunit
   2 domains: (1) alpa/beta; (2) Fe-S cluster-bound

Superfamilies:

1. Nickel-iron hydrogenase, small subunit (1)
   1. Nickel-iron hydrogenase, small subunit (4)
      1. Nickel-iron hydrogenase, small subunit
         1. Desulfovibrio gigas (2)
         2. Desulfovibrio vulgaris (2)
         3. Desulfovibrio fructosovorans (1)
         4. Desulfomicrobium baculatum (1)