| A | | e4w6rA1 | 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 | | e4w6rE1 | 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 | | e4w6rF1 | 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 | | e4w6rG1 | 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 | | e4w6rH1 | 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 | | e4w6rJ1 | 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 | | e4w6rM1 | 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 | | e4w6rN1 | A: Lipocalins/Streptavidin | X: SAM/DNA-glycosylase | H: SAM domain-like | T: Nup54_57_C | F: | ECOD (20:10:01) |
| P | | e4w6rP1 | 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 | | e4w6rO1 | 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 | | e4w6rL1 | 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 | | e4w6rK1 | 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 | | e4w6rI1 | 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 | | e4w6rD1 | 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 | | e4w6rC1 | 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 | | e4w6rB1 | 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) |