| R | | e4osdR1 | 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 | | e4osdQ1 | 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 | | e4osdP1 | 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 | | e4osdO1 | 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 | | e4osdN1 | 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 | | e4osdM1 | 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 | | e4osdL1 | 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 | | e4osdK1 | 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 | | e4osdJ1 | 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 | | e4osdI1 | 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 | | e4osdH1 | 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 | | e4osdG1 | 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 | | e4osdF1 | 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 | | e4osdE1 | 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 | | e4osdD1 | 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 | | e4osdC1 | 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 | | e4osdB1 | 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 | | e4osdA1 | A: Four-helical up-and-down bundle | X: Thymidylate synthase/dCMP hydroxymethylase | H: Thymidylate synthase/dCMP hydroxymethylase | T: Polyoma_coat | F: | ECOD (20:10:01) |