Annotations: 2NSW

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e2nswA1	A: few secondary structure elements	X: Protozoan pheromone proteins (From Topology)	H: Protozoan pheromone proteins (From Topology)	T: Protozoan pheromone proteins	F: F_UNCLASSIFIED	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.50.40	Mainly Alpha	Up-down Bundle	Pheromone ER-1		CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Mating pheromone En-2	pheromone activity protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	-	extracellular region cellular anatomical entity