Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyGHKL (Gyrase, Hsp90, Histidine Kinase, MutL) domain-like 8039118 3000091 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyHomodimeric domain of signal transducing histidine kinase 8039116 3001864 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyHomodimeric domain of signal transducing histidine kinase 8039116 3001864 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyGHKL (Gyrase, Hsp90, Histidine Kinase, MutL) domain-like 8039118 3000091 SCOP2B (2022-06-29)
BSCOP2 FamilyCheY-related 8072785 4003632 SCOP2 (2022-06-29)
BSCOP2 SuperfamilyCheY-like 8072786 3001156 SCOP2 (2022-06-29)
DSCOP2B SuperfamilyCheY-like 8072786 3001156 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHisKAe5uhtA1 A: alpha duplicates or obligate multimersX: ROP-likeH: Homodimeric domain of signal transducing histidine kinase (From Topology)T: Homodimeric domain of signal transducing histidine kinaseF: HisKAECOD (1.6)
AHATPase_ce5uhtA2 A: a+b two layersX: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-likeH: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology)T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinaseF: HATPase_cECOD (1.6)
CHisKAe5uhtC2 A: alpha duplicates or obligate multimersX: ROP-likeH: Homodimeric domain of signal transducing histidine kinase (From Topology)T: Homodimeric domain of signal transducing histidine kinaseF: HisKAECOD (1.6)
CHATPase_ce5uhtC1 A: a+b two layersX: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-likeH: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology)T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinaseF: HATPase_cECOD (1.6)
BResponse_rege5uhtB1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF: Response_regECOD (1.6)
DResponse_rege5uhtD1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF: Response_regECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, C
PF00512His Kinase A (phospho-acceptor) domain (HisKA)His Kinase A (phospho-acceptor) domainDimerisation and phospho-acceptor domain of histidine kinases.Domain
A, C
PF02518Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase (HATPase_c)Histidine kinase-, DNA gyrase B-, and HSP90-like ATPaseThis family represents the structurally related ATPase domains of histidine kinase, DNA gyrase B and HSP90.Domain
B, D
PF00072Response regulator receiver domain (Response_reg)Response regulator receiver domainThis domain receives the signal from the sensor partner in bacterial two-component systems. It is usually found N-terminal to a DNA binding effector domain.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, C
Sensor histidine kinase -
B, D
Response regulator -