| SCOP superfamily ID | superfamiily description | corresponding fold description |
|---|---|---|
| d.336.1 | YbiA-like | YbiA-like consists of six alpha-helices and two two-stranded beta-sheets |
| d.260.1 | Suppressor of Fused, N-terminal domain | Suppressor of Fused, N-terminal domain unusual fold; bifurcated beta-sheet; left-handed beta-alpha-beta unit |
| b.82.4 | Regulatory protein AraC | Double-stranded beta-helix one turn of helix is made by two pairs of antiparallel strands linked with short turns ! has appearance of a sandwich of distinct architecture and jelly-roll topology |