Annotations: 4YS2

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	HAT_PRP39_N, HAT_PRP39_C	e4ys2B1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: HAT_PRP39_N, HAT_PRP39_C	ECOD (develop294)
A	Glyco_transf_41	e4ys2A1	A: alpha bundles	X: Ribosomal protein L31e-like	H: Class 1 N-terminal docking domain	T: Class 1 N-terminal docking domain	F: Glyco_transf_41	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.70.1450	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Regulator of K+ conductance, C-terminal domain	CATH (4.3.0)
A	3.30.70.1450	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Regulator of K+ conductance, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02080	TrkA-C domain (TrkA_C)	TrkA-C domain	This domain is often found next to the Pfam:PF02254 domain. The exact function of this domain is unknown. It has been suggested that it may bind an unidentified ligand [1]. The domain is predicted to adopt an all beta structure [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Na+/H+ antiporter-like protein	monoatomic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity antiporter activity active transmembrane transporter activity secondary active transmembrane transporter activity	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport proton transmembrane transport monoatomic ion transmembrane transport cellular process	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR006037	Regulator of K+ conductance, C-terminal	Domain
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR036721	Regulator of K+ conductance, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR006153	Cation/H+ exchanger, transmembrane domain	Domain
A, B	IPR003148	Regulator of K+ conductance, N-terminal lobe	Domain
A, B	IPR038770	Sodium/solute symporter superfamily	Homologous Superfamily

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.