| G | N6_Mtase | e4ozdG1 | A: alpha arrays | X: Four-helical up-and-down bundle | H: N-terminal helical domain in restriction-modification system methylation subunit | T: N-terminal helical domain in restriction-modification system methylation subunit | F: N6_Mtase | ECOD (v295.2) |
| F | N6_Mtase | e4ozdF1 | A: alpha arrays | X: Four-helical up-and-down bundle | H: N-terminal helical domain in restriction-modification system methylation subunit | T: N-terminal helical domain in restriction-modification system methylation subunit | F: N6_Mtase | ECOD (v295.2) |
| E | N6_Mtase | e4ozdE1 | A: alpha arrays | X: Four-helical up-and-down bundle | H: N-terminal helical domain in restriction-modification system methylation subunit | T: N-terminal helical domain in restriction-modification system methylation subunit | F: N6_Mtase | ECOD (v295.2) |
| D | N6_Mtase | e4ozdD1 | A: alpha arrays | X: Four-helical up-and-down bundle | H: N-terminal helical domain in restriction-modification system methylation subunit | T: N-terminal helical domain in restriction-modification system methylation subunit | F: N6_Mtase | ECOD (v295.2) |
| C | N6_Mtase | e4ozdC1 | A: alpha arrays | X: Four-helical up-and-down bundle | H: N-terminal helical domain in restriction-modification system methylation subunit | T: N-terminal helical domain in restriction-modification system methylation subunit | F: N6_Mtase | ECOD (v295.2) |
| B | Phage_spike | e4ozdB1 | A: alpha arrays | X: Alpha-lytic protease prodomain-like | H: Glycosyl hydrolase domain | T: Glycosyl hydrolase domain | F: Phage_spike | ECOD (v295.2) |
| A | Beta-lactamase2 | e4ozdA1 | A: alpha arrays | X: OB-fold | H: Rossmann-related | T: FAD/NAD(P)-binding domain | F: Beta-lactamase2 | ECOD (v295.2) |