3CIT

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e3citA1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e3citB1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: F_UNCLASSIFIED	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
B	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Sensor histidine kinase	catalytic activity, acting on a protein small molecule sensor activity 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 catalytic activity protein binding binding protein dimerization activity	-	membrane cellular anatomical entity

Chains	Accession	Name	Type
A, B	IPR029016	GAF-like domain superfamily	Homologous Superfamily
A, B	IPR003594	Histidine kinase/HSP90-like ATPase	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