- Classes: Alpha and beta proteins (a/b)
 - Folds: Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT)
 - Superfamilies: Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT)
 
Families:
- 37
 - 5
 
* Number of SCOP families of each Family
