| A | Rv3651-like_N | e4pqkA2 | A: alpha arrays | X: HTH | H: HTH | T: winged helix domain | F: Rv3651-like_N | ECOD (v295.2) |
| A | SBP_bac_1 | e4pqkA1 | A: alpha arrays | X: Alpha-lytic protease prodomain-like | H: Glycosyl hydrolase domain | T: Glycosyl hydrolase domain | F: SBP_bac_1 | ECOD (v295.2) |
| B | KdgM | e4pqkB2 | A: alpha arrays | X: HTH | H: HTH | T: winged helix domain | F: KdgM | ECOD (v295.2) |
| B | SBP_bac_1 | e4pqkB1 | A: alpha arrays | X: Alpha-beta plaits | H: Adenylyl and guanylyl cyclase catalytic domain-like | T: Adenylyl and guanylyl cyclase catalytic domain-like | F: SBP_bac_1 | ECOD (v295.2) |
| C | Rv3651-like_N | e4pqkC2 | A: alpha arrays | X: HTH | H: HTH | T: winged helix domain | F: Rv3651-like_N | ECOD (v295.2) |
| C | SBP_bac_1 | e4pqkC3 | A: alpha arrays | X: Alpha-lytic protease prodomain-like | H: Glycosyl hydrolase domain | T: Glycosyl hydrolase domain | F: SBP_bac_1 | ECOD (v295.2) |
| D | Rv3651-like_N | e4pqkD2 | A: alpha arrays | X: HTH | H: HTH | T: winged helix domain | F: Rv3651-like_N | ECOD (v295.2) |
| D | SBP_bac_1 | e4pqkD1 | A: alpha arrays | X: Alpha-lytic protease prodomain-like | H: Glycosyl hydrolase domain | T: Glycosyl hydrolase domain | F: SBP_bac_1 | ECOD (v295.2) |