Annotations: 2KK2

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Keratin_matx_like	e2kk2A1	A: few secondary structure elements	X: Protozoan pheromone proteins (From Topology)	H: Protozoan pheromone proteins (From Topology)	T: Protozoan pheromone proteins	F: Keratin_matx_like	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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)

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.