| SCOP superfamily ID | superfamiily description | corresponding fold description |
|---|---|---|
| c.3.1 | FAD/NAD(P)-binding domain | FAD/NAD(P)-binding domain core: 3 layers, b/b/a; central parallel beta-sheet of 5 strands, order 32145; top antiparallel beta-sheet of 3 strands, meander |
| d.177.1 | FAH | FAH unusual fold; contains 3 layers of beta-sheet structure |
| e.2.1 | Replication terminator protein (Tus) | Replication terminator protein (Tus) contains a cluster of helices and a beta-sandwich |