| SCOP superfamily ID | superfamiily description | corresponding fold description |
|---|---|---|
| a.56.1 | CO dehydrogenase ISP C-domain like contains 2Fe-2S cluster ! | CO dehydrogenase ISP C-domain like core: 4 helices, bundle |
| d.58.39 | Glutamyl tRNA-reductase catalytic, N-terminal domain common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |