| F | EcoR124_C_N | e7btqF3 | A: alpha arrays | X: HSDR subunit helical domain (From Topology) | H: HSDR subunit helical domain (From Topology) | T: HSDR subunit helical domain | F: EcoR124_C_N | ECOD (1.6) |
| F | EcoR124_C_C | e7btqF1 | A: alpha complex topology | X: EcoR124I HsdR C-terminal domain (From Topology) | H: EcoR124I HsdR C-terminal domain (From Topology) | T: EcoR124I HsdR C-terminal domain | F: EcoR124_C_C | ECOD (1.6) |
| F | Helicase_C_8 | e7btqF4 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Helicase_C_8 | ECOD (1.6) |
| F | DEAD_1 | e7btqF2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: DEAD_1 | ECOD (1.6) |
| F | HSDR_N | e7btqF5 | A: a/b three-layered sandwiches | X: Restriction endonuclease-like | H: Restriction endonuclease-like (From Topology) | T: Restriction endonuclease-like | F: HSDR_N | ECOD (1.6) |
| E | Methylase_S | e7btqE1 | A: a+b complex topology | X: DNA methylase specificity domain (From Topology) | H: DNA methylase specificity domain (From Topology) | T: DNA methylase specificity domain | F: Methylase_S | ECOD (1.6) |
| D | HsdM_N | e7btqD2 | A: alpha arrays | X: N-terminal helical domain in restriction-modification system methylation subunit-like | H: N-terminal helical domain in restriction-modification system methylation subunit (From Topology) | T: N-terminal helical domain in restriction-modification system methylation subunit | F: HsdM_N | ECOD (1.6) |
| D | N6_Mtase | e7btqD1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: N6_Mtase | ECOD (1.6) |
| A | HsdM_N | e7btqA2 | A: alpha arrays | X: N-terminal helical domain in restriction-modification system methylation subunit-like | H: N-terminal helical domain in restriction-modification system methylation subunit (From Topology) | T: N-terminal helical domain in restriction-modification system methylation subunit | F: HsdM_N | ECOD (1.6) |
| A | N6_Mtase | e7btqA1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: N6_Mtase | ECOD (1.6) |