KEA4 K+ efflux antiporter 4 [Arabidopsis thaliana (thale cress)] - Gene

Summary

Official Symbol: KEA4
Official Full Name: K+ efflux antiporter 4
Primary source: TAIR:AT2G19600
Locus tag: AT2G19600
See related: Araport:AT2G19600
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Arabidopsis thaliana (ecotype: Columbia)
Lineage: Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
Also known as: ATKEA4; F3P11.20; F3P11_20; K+ efflux antiporter 4
Summary: member of Putative potassium proton antiporter family
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Chromosome 2 - NC_003071.7 Genomic Context describing neighboring genes

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Golgi-localized and regulates ionic homeostasis and skotomorphogenesis
Title: Golgi-localized cation/proton exchangers regulate ionic homeostasis and skotomorphogenesis in Arabidopsis.
KEA4 is important for growth.KEA4 is endosomal K(+) transporter functioning in maintaining pH and ion homeostasis in the endomembrane network.
Title: K(+) Efflux Antiporters 4, 5, and 6 Mediate pH and K(+) Homeostasis in Endomembrane Compartments.

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NM_179659.2

Function	Evidence Code	Pubs
enables potassium ion transmembrane transporter activity	ISS Inferred from Sequence or Structural Similarity more info
enables potassium:proton antiporter activity	IEA Inferred from Electronic Annotation more info
enables potassium:proton antiporter activity	NAS Non-traceable Author Statement more info	PubMed

Process	Evidence Code	Pubs
involved_in potassium ion transmembrane transport	IEA Inferred from Electronic Annotation more info
acts_upstream_of_or_within potassium ion transmembrane transport	NAS Non-traceable Author Statement more info	PubMed
involved_in proton transmembrane transport	IEA Inferred from Electronic Annotation more info
acts_upstream_of_or_within proton transmembrane transport	NAS Non-traceable Author Statement more info	PubMed

Component	Evidence Code	Pubs
located_in Golgi trans cisterna	HDA more info	PubMed

NP_849990.1

K+ efflux antiporter 4 (KEA4); FUNCTIONS IN: potassium:hydrogen antiporter activity, potassium ion transmembrane transporter activity; INVOLVED IN: potassium ion transport, cation transport, transmembrane transport; LOCATED IN: endomembrane system, integral to membrane; EXPRESSED IN: 22 plant structures; EXPRESSED DURING: 13 growth stages; CONTAINS InterPro DOMAIN/s: Cation/H+ exchanger (InterPro:IPR006153); BEST Arabidopsis thaliana protein match is: K+ efflux antiporter 6 (TAIR:AT5G11800.1); Has 10410 Blast hits to 10396 proteins in 2139 species: Archae - 355; Bacteria - 8476; Metazoa - 71; Fungi - 61; Plants - 415; Viruses - 0; Other Eukaryotes - 1032 (source: NCBI BLink).

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The following sections contain reference sequences that belong to a specific genome build. Explain