| SCOP superfamily ID | superfamiily description | corresponding fold description |
|---|---|---|
| b.14.1 | Calpain large subunit, middle domain (domain III) | Calpain large subunit, middle domain (domain III) sandwich; 8 strands in 2 sheets; jelly-roll |
| d.273.1 | YjbQ-like | YjbQ-like beta(2)-alpha-beta(2)-alpha(2)-beta(3); contains a beta-sandwich: 7 strands in 2 sheets; trimerizes with orthogonally packed beta-sheets |
| d.164.1 | SMAD MH1 domain | SMAD MH1 domain consists of four alpha-helices and three beta-ribbons |