| A | 2-Hacid_dh_C_1 | e4q3cA1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: 2-Hacid_dh_C_1 | ECOD (1.6) |
| A | pyrrolys_PylD | e4q3cA2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: pyrrolys_PylD | ECOD (1.6) |
| C | 2-Hacid_dh_C_1 | e4q3cC1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: 2-Hacid_dh_C_1 | ECOD (1.6) |
| C | pyrrolys_PylD | e4q3cC2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: pyrrolys_PylD | ECOD (1.6) |
| D | 2-Hacid_dh_C_1 | e4q3cD1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: 2-Hacid_dh_C_1 | ECOD (1.6) |
| D | pyrrolys_PylD | e4q3cD2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: pyrrolys_PylD | ECOD (1.6) |
| B | 2-Hacid_dh_C_1 | e4q3cB1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: 2-Hacid_dh_C_1 | ECOD (1.6) |
| B | pyrrolys_PylD | e4q3cB2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: pyrrolys_PylD | ECOD (1.6) |