| E | Trypsin | e3nfiE1 | A: alpha arrays | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Trypsin | ECOD (v295) |
| D | Trypsin | e3nfiD1 | A: alpha arrays | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Trypsin | ECOD (v295) |
| C | Trypsin | e3nfiC1 | A: alpha arrays | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Trypsin | ECOD (v295) |
| B | Trypsin | e3nfiB1 | A: alpha arrays | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Trypsin | ECOD (v295) |
| A | Trypsin | e3nfiA1 | A: alpha arrays | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Trypsin | ECOD (v295) |