| A | Diphtheria_R | e4ow6A2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Common fold of diphtheria toxin/transcription factors/cytochrome f | F: Diphtheria_R | ECOD (1.6) |
| A | Diphtheria_T | e4ow6A3 | A: alpha arrays | X: Toxins' membrane translocation domains | H: Diphtheria toxin, middle domain (From Topology) | T: Diphtheria toxin, middle domain | F: Diphtheria_T | ECOD (1.6) |
| A | Diphtheria_C | e4ow6A1 | A: a+b complex topology | X: ADP-ribosylation (From Topology) | H: ADP-ribosylation (From Topology) | T: ADP-ribosylation | F: Diphtheria_C | ECOD (1.6) |
| B | Diphtheria_R | e4ow6B2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Common fold of diphtheria toxin/transcription factors/cytochrome f | F: Diphtheria_R | ECOD (1.6) |
| B | Diphtheria_T | e4ow6B3 | A: alpha arrays | X: Toxins' membrane translocation domains | H: Diphtheria toxin, middle domain (From Topology) | T: Diphtheria toxin, middle domain | F: Diphtheria_T | ECOD (1.6) |
| B | Diphtheria_C | e4ow6B1 | A: a+b complex topology | X: ADP-ribosylation (From Topology) | H: ADP-ribosylation (From Topology) | T: ADP-ribosylation | F: Diphtheria_C | ECOD (1.6) |