| D | HisKA_2 | e4r39D2 | A: alpha duplicates or obligate multimers | X: ROP-like | H: Homodimeric domain of signal transducing histidine kinase (From Topology) | T: Homodimeric domain of signal transducing histidine kinase | F: HisKA_2 | ECOD (1.6) |
| D | HATPase_c_2 | e4r39D1 | A: a+b two layers | X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like | H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology) | T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase | F: HATPase_c_2 | ECOD (1.6) |
| C | HisKA_2 | e4r39C2 | A: alpha duplicates or obligate multimers | X: ROP-like | H: Homodimeric domain of signal transducing histidine kinase (From Topology) | T: Homodimeric domain of signal transducing histidine kinase | F: HisKA_2 | ECOD (1.6) |
| C | HATPase_c_2 | e4r39C1 | A: a+b two layers | X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like | H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology) | T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase | F: HATPase_c_2 | ECOD (1.6) |
| B | HisKA_2 | e4r39B2 | A: alpha duplicates or obligate multimers | X: ROP-like | H: Homodimeric domain of signal transducing histidine kinase (From Topology) | T: Homodimeric domain of signal transducing histidine kinase | F: HisKA_2 | ECOD (1.6) |
| B | HATPase_c_2 | e4r39B1 | A: a+b two layers | X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like | H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology) | T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase | F: HATPase_c_2 | ECOD (1.6) |
| A | HisKA_2 | e4r39A2 | A: alpha duplicates or obligate multimers | X: ROP-like | H: Homodimeric domain of signal transducing histidine kinase (From Topology) | T: Homodimeric domain of signal transducing histidine kinase | F: HisKA_2 | ECOD (1.6) |
| A | HATPase_c_2 | e4r39A1 | A: a+b two layers | X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like | H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology) | T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase | F: HATPase_c_2 | ECOD (1.6) |