| A | d1gkpa1 | All beta proteins | Composite domain of metallo-dependent hydrolases | Composite domain of metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase) | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| A | d1gkpa2 | Alpha and beta proteins (a/b) | TIM beta/alpha-barrel | Metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase), catalytic domain | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| B | d1gkpb1 | All beta proteins | Composite domain of metallo-dependent hydrolases | Composite domain of metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase) | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| B | d1gkpb2 | Alpha and beta proteins (a/b) | TIM beta/alpha-barrel | Metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase), catalytic domain | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| C | d1gkpc1 | All beta proteins | Composite domain of metallo-dependent hydrolases | Composite domain of metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase) | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| C | d1gkpc2 | Alpha and beta proteins (a/b) | TIM beta/alpha-barrel | Metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase), catalytic domain | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| D | d1gkpd1 | All beta proteins | Composite domain of metallo-dependent hydrolases | Composite domain of metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase) | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| D | d1gkpd2 | Alpha and beta proteins (a/b) | TIM beta/alpha-barrel | Metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase), catalytic domain | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| E | d1gkpe1 | All beta proteins | Composite domain of metallo-dependent hydrolases | Composite domain of metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase) | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| E | d1gkpe2 | Alpha and beta proteins (a/b) | TIM beta/alpha-barrel | Metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase), catalytic domain | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| F | d1gkpf1 | All beta proteins | Composite domain of metallo-dependent hydrolases | Composite domain of metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase) | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |
| F | d1gkpf2 | Alpha and beta proteins (a/b) | TIM beta/alpha-barrel | Metallo-dependent hydrolases | Hydantoinase (dihydropyrimidinase), catalytic domain | D-hydantoinase | (Thermus sp. ) [TaxId: 275 ], | SCOPe (2.08) |