| SCOP superfamily ID | superfamiily description | corresponding fold description |
|---|---|---|
| b.81.4 | Guanosine diphospho-D-mannose pyrophosphorylase/mannose-6-phosphate isomerase linker domain probable rudiment form of the LpxA-like hexapeptide domain | Single-stranded left-handed beta-helix superhelix turns are made of parallel beta-strands and (short) turns |