| SCOP superfamily ID | superfamiily description | corresponding fold description |
|---|---|---|
| d.153.1 | N-terminal nucleophile aminohydrolases (Ntn hydrolases) N-terminal residue provides two catalytic groups, nucleophile and proton donor ! | Ntn hydrolase-like 4 layers: alpha/beta/beta/alpha; has an unusual sheet-to-sheet packing |
| b.7.4 | Rab geranylgeranyltransferase alpha-subunit, insert domain | C2 domain-like sandwich; 8 strands in 2 sheets; greek-key |