| Class c: Alpha and beta proteins (a/b) [51349] (130 folds) |
| Fold c.7: PFL-like glycyl radical enzymes [51997] (1 superfamily) contains: barrel, closed; n=10, S=10; accommodates a hairpin loop inside the barrel |
Superfamily c.7.1: PFL-like glycyl radical enzymes [51998] (4 families) ![]() duplication: the N- and C-terminal halves have similar topologies |
| c.7.1.1: Pyruvate formate-lyase, PFL [51999] (1 protein) |
| c.7.1.2: R1 subunit of ribonucleotide reductase, C-terminal domain [52002] (1 protein) |
| c.7.1.3: Class III anaerobic ribonucleotide reductase NRDD subunit [52005] (1 protein) |
| c.7.1.4: B12-dependent (class II) ribonucleotide reductase [75131] (1 protein) |
Timeline for Superfamily c.7.1: PFL-like glycyl radical enzymes: