| A | TMAO_torS | e3o1iA3 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Histidine kinase associated sensor domains (From Topology) | T: Histidine kinase associated sensor domains | F: TMAO_torS | ECOD (1.6) |
| A | TorS_sensor_domain | e3o1iA2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Histidine kinase associated sensor domains (From Topology) | T: Histidine kinase associated sensor domains | F: TorS_sensor_domain | ECOD (1.6) |
| B | TMAO_torS | e3o1iB3 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Histidine kinase associated sensor domains (From Topology) | T: Histidine kinase associated sensor domains | F: TMAO_torS | ECOD (1.6) |
| B | TorS_sensor_domain | e3o1iB2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Histidine kinase associated sensor domains (From Topology) | T: Histidine kinase associated sensor domains | F: TorS_sensor_domain | ECOD (1.6) |
| C [auth D] | Peripla_BP_1_1st | e3o1iD2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: Peripla_BP_1_1st | ECOD (1.6) |
| C [auth D] | Peripla_BP_1_2nd | e3o1iD1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: Peripla_BP_1_2nd | ECOD (1.6) |
| D [auth C] | Peripla_BP_1_1st | e3o1iC2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: Peripla_BP_1_1st | ECOD (1.6) |
| D [auth C] | Peripla_BP_1_2nd | e3o1iC1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: Peripla_BP_1_2nd | ECOD (1.6) |