| X | | e4tobX1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| W | | e4tobW1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| V | | e4tobV1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| U | | e4tobU1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| T | | e4tobT1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| S | | e4tobS1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| R | | e4tobR1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| Q | | e4tobQ1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| P | | e4tobP1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| O | | e4tobO1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| N | | e4tobN1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| M | | e4tobM1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| L | | e4tobL1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| K | | e4tobK1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| J | | e4tobJ1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| I | | e4tobI1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| H | | e4tobH1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| G | | e4tobG1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| F | | e4tobF1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| E | | e4tobE1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| D | | e4tobD1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| C | | e4tobC1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| B | | e4tobB1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |
| A | | e4tobA1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylat_synt | F: | ECOD (20:10:01) |