| H | d1g20h_ | Alpha and beta proteins (a/b) | P-loop containing nucleoside triphosphate hydrolases | P-loop containing nucleoside triphosphate hydrolases | Nitrogenase iron protein-like | Nitrogenase iron protein | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |
| G | d1g20g_ | Alpha and beta proteins (a/b) | P-loop containing nucleoside triphosphate hydrolases | P-loop containing nucleoside triphosphate hydrolases | Nitrogenase iron protein-like | Nitrogenase iron protein | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |
| F | d1g20f_ | Alpha and beta proteins (a/b) | P-loop containing nucleoside triphosphate hydrolases | P-loop containing nucleoside triphosphate hydrolases | Nitrogenase iron protein-like | Nitrogenase iron protein | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |
| E | d1g20e_ | Alpha and beta proteins (a/b) | P-loop containing nucleoside triphosphate hydrolases | P-loop containing nucleoside triphosphate hydrolases | Nitrogenase iron protein-like | Nitrogenase iron protein | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |
| D | d1g20d_ | Alpha and beta proteins (a/b) | Chelatase-like | 'Helical backbone' metal receptor | Nitrogenase iron-molybdenum protein | Nitrogenase iron-molybdenum protein, beta chain | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |
| B | d1g20b_ | Alpha and beta proteins (a/b) | Chelatase-like | 'Helical backbone' metal receptor | Nitrogenase iron-molybdenum protein | Nitrogenase iron-molybdenum protein, beta chain | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |
| C | d1g20c_ | Alpha and beta proteins (a/b) | Chelatase-like | 'Helical backbone' metal receptor | Nitrogenase iron-molybdenum protein | Nitrogenase iron-molybdenum protein, alpha chain | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |
| A | d1g20a_ | Alpha and beta proteins (a/b) | Chelatase-like | 'Helical backbone' metal receptor | Nitrogenase iron-molybdenum protein | Nitrogenase iron-molybdenum protein, alpha chain | (Azotobacter vinelandii ) [TaxId: 354 ], | SCOPe (2.08) |