Annotations: 3MR0

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Cytochrome_CBB3	e3mr0B1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Cytochrome_CBB3	ECOD (v295.2)
A	DZF_C	e3mr0A3	A: alpha arrays	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: DZF_C	ECOD (v295.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
B	6.10.250.490	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
A	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
A	6.10.250.490	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Sensory box histidine kinase/response regulator	molecular sensor activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity phosphotransferase activity, nitrogenous group as acceptor phosphotransferase activity, alcohol group as acceptor protein histidine kinase activity transferase activity, transferring phosphorus-containing groups phosphorelay sensor kinase activity molecular function regulator activity catalytic activity protein binding binding molecular sensor activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity phosphotransferase activity, nitrogenous group as acceptor phosphotransferase activity, alcohol group as acceptor protein histidine kinase activity transferase activity, transferring phosphorus-containing groups phosphorelay sensor kinase activity molecular function regulator activity catalytic activity protein binding binding protein dimerization activity	-	cellular anatomical structure membrane

Chains	Accession	Name	Type
A, B	IPR000014	PAS domain	Domain
A, B	IPR011006	CheY-like superfamily	Homologous Superfamily
A, B	IPR001789	Signal transduction response regulator, receiver domain	Domain
A, B	IPR011712	Signal transduction histidine kinase, subgroup 3, dimerisation and phosphoacceptor domain	Domain
A, B	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B	IPR035965	PAS domain superfamily	Homologous Superfamily
A, B	IPR001610	PAC motif	Repeat
A, B	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B	IPR000700	PAS-associated, C-terminal	Domain
A, B	IPR005467	Histidine kinase domain	Domain
A, B	IPR050482	Sensor Histidine Kinase Two-Component System	Family
A, B	IPR013655	PAS fold 3	Domain