8POO

Low resolution structure of inactive conformation of the Ktr cation channel in presence of ATP and c-di-AMP

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E [auth C]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	SCOP2B (2022-06-29)
F [auth D]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	SCOP2B (2022-06-29)
G [auth E]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	SCOP2B (2022-06-29)
H [auth G]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth I], B [auth J], C [auth A], D [auth B]	PF02386	Cation transport protein (TrkH)	Cation transport protein	-	Family
E [auth C], F [auth D], G [auth E], H [auth G]	PF02254	TrkA-N domain (TrkA_N)	TrkA-N domain	This domain is found in a wide variety of proteins. These protein include potassium channels Swiss:P31069, phosphoesterases Swiss:Q59027, and various other transporters. This domain binds to NAD.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth I], B [auth J], C [auth A], D [auth B]	Ktr system potassium uptake protein B	monoatomic cation transmembrane transporter activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity solute:monoatomic cation symporter activity potassium ion transmembrane transporter activity monoatomic anion:monoatomic cation symporter activity secondary active transmembrane transporter activity chloride:monoatomic cation symporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity monoatomic cation transmembrane transporter activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity solute:monoatomic cation symporter activity potassium ion transmembrane transporter activity monoatomic anion:monoatomic cation symporter activity secondary active transmembrane transporter activity chloride:monoatomic cation symporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity symporter activity potassium:chloride symporter activity inorganic anion transmembrane transporter activity	-	cell periphery plasma membrane membrane cellular anatomical entity
E [auth C], F [auth D], G [auth E], H [auth G]	Ktr system potassium uptake protein A	monoatomic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity identical protein binding protein binding binding	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth I], B [auth J], C [auth A], D [auth B]	IPR003445	Cation transporter	Family
A [auth I], B [auth J], C [auth A], D [auth B]	IPR004772	TrkH potassium transport family	Family
E [auth C], F [auth D], G [auth E], H [auth G]	IPR006037	Regulator of K+ conductance, C-terminal	Domain
E [auth C], F [auth D], G [auth E], H [auth G]	IPR050721	Trk/Ktr/HKT Potassium Transport	Family
E [auth C], F [auth D], G [auth E], H [auth G]	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
E [auth C], F [auth D], G [auth E], H [auth G]	IPR036721	Regulator of K+ conductance, C-terminal domain superfamily	Homologous Superfamily
E [auth C], F [auth D], G [auth E], H [auth G]	IPR003148	Regulator of K+ conductance, N-terminal	Domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth I], B [auth J], C [auth A], D [auth B], E [auth C] A [auth I], B [auth J], C [auth A], D [auth B], E [auth C], F [auth D], G [auth E], H [auth G]	PDBTM	Annotated as membrane protein by PDBTM

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 R01GM133198.