|  | Class c: Alpha and beta proteins (a/b) [51349] (130 folds) | 
|  | Fold c.52: Restriction endonuclease-like [52979] (3 superfamilies) core: 3 layers, a/b/a; mixed beta-sheet of 5 strands, order 12345; strands 2 &, in some families, 5 are antiparallel to the rest | 
|  | Superfamily c.52.1: Restriction endonuclease-like [52980] (22 families)  | 
|  | Family c.52.1.7: Cfr10I/Bse634I [52999] (2 proteins) | 
|  | Protein Restriction endonuclease Cfr10I [53000] (1 species) | 
|  | Species Citrobacter freundii [TaxId:546] [53001] (1 PDB entry) | 
|  | Domain d1cfr__: 1cfr - [33312] | 
Timeline for Species Citrobacter freundii [TaxId:546] from c.52.1.7 Restriction endonuclease Cfr10I: