Fold: NADH oxidase/flavin reductase

core: (alpha-beta-alpha-beta)2; 3 layers a/b/a; antiparallel beta-sheet: 1243

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a+b)
   Mainly antiparallel beta sheets (segregated alpha and beta regions)
3. Fold: NADH oxidase/flavin reductase
   core: (alpha-beta-alpha-beta)2; 3 layers a/b/a; antiparallel beta-sheet: 1243

Superfamilies:

1. NADH oxidase/flavin reductase (1)
   1. NADH oxidase/flavin reductase (6)
      1. NADH oxidase
         1. Thermus thermophilus, HB8 (1)
      2. Flavin reductase P (NADPH:FMN oxidoreductase)
         1. Vibrio harveyi (2)
         2. Vibrio fischeri (1)
      3. Nitroreductase
         1. Enterobacter cloacae (1)
         2. Escherichia coli, minor form (1)
         3. Escherichia coli, oxygen-insensitive form (1)