| B [auth M] | TetR_N | e3lktM1 | A: alpha bundles | X: N-terminal beta-sandwich domain in anthrax protective antigen | H: L30e-like | T: L30e-like | F: TetR_N | ECOD (develop294) |
| D [auth N] | AAA | e3lktN1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| F [auth O] | AAA | e3lktO1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| H [auth P] | AAA | e3lktP1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| J [auth Q] | AAA | e3lktQ1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| L [auth R] | AAA | e3lktR1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| A | TetR_N | e3lktA1 | A: alpha bundles | X: N-terminal beta-sandwich domain in anthrax protective antigen | H: L30e-like | T: L30e-like | F: TetR_N | ECOD (develop294) |
| C [auth B] | AAA | e3lktB1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| E [auth C] | AAA | e3lktC1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| G [auth D] | AAA | e3lktD1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| I [auth E] | AAA | e3lktE1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |
| K [auth F] | AAA | e3lktF1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: AAA | ECOD (develop294) |