Gene: AT4G32650 (Arabidopsis thaliana)

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Gene Identifier
AT4G32650
Transcript Identifier
AT4G32650.1
Gene Type
Coding gene
Location
4 : 15751482-15754797 : negative

Family

Gene family
HOM03M000275
(197 genes in 16 species)
specific family
Duplication type
Tandem duplicate   and   Block duplicate

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Descriptions

Description
potassium channel in Arabidopsis thaliana 3
Curated Summary
Encodes KAT3, a member of the Shaker family of voltage-gated potassium channel subunits. Does not form functional potassium channel on its own. Involved in down-regulating AKT1 and KAT1 channel activity by forming heteromers with AKT1 or KAT1. The Shaker family K+ ion channels include five groups based on phylogenetic analysis (FEBS Letters (2007) 581: 2357): I (inwardly rectifying conductance): AKT1 (AT2G26650), AKT5 (AT4G32500) and SPIK (also known as AKT6, AT2G25600); II (inward rectifying channel): KAT1 (AT5G46240) and KAT2 (AT4G18290); III (weakly inward rectifying channel): AKT2 (AT4G22200); IV (regulatory subunit involved in inwardly rectifying conductance formation): KAT3 (also known as AtKC1, AT4G32650); V (outward rectifying channel): SKOR (AT3G02850) and GORK (AT5G37500).
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Identifiers

Identifier Name
aliasKAT3
aliasA. thaliana low-K+-tolerant 1
aliasARABIDOPSIS THALIANA K+ RECTIFYING CHANNEL 1
aliaspotassium channel in Arabidopsis thaliana 3
aliasKC1
aliasATKC1
aliasAtLKT1
uniprotP92960

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0009624IEPUniProtresponse to nematode1 2 3 4 5 6
GO:0010163IMPUniProthigh-affinity potassium ion import1 2 3 4 5 6
GO:0010167RCAGene Ontologyresponse to nitrate1
GO:0015706RCAGene Ontologynitrate transport1
GO:0006813IEAInterPropotassium ion transport
GO:0055085IEAInterProtransmembrane transport
GO:0006811IEAInterProion transport

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0005242ISSGene Ontologyinward rectifier potassium channel activity1
GO:0030551ISSGene Ontologycyclic nucleotide binding1
GO:0005515IPIGene Ontologyprotein binding1
GO:0005249IEAUniProtvoltage-gated potassium channel activity1 2 3 4 5
GO:0005216IEAInterProion channel activity
GO:0015079IEAPLAZA Homologypotassium ion transmembrane transporter activityHOM03M000275
GO:0022843IEAPLAZA Homologyvoltage-gated cation channel activityHOM03M000275
GO:0022803IEAPLAZA Homologypassive transmembrane transporter activityHOM03M000275
GO:0022839IEAPLAZA Homologyion gated channel activityHOM03M000275
GO:0005244IEAPLAZA Homologyvoltage-gated ion channel activityHOM03M000275
GO:0005261IEAPLAZA Homologycation channel activityHOM03M000275
GO:0022836IEAPLAZA Homologygated channel activityHOM03M000275
GO:0022838IEAPLAZA Homologysubstrate-specific channel activityHOM03M000275
GO:0022832IEAPLAZA Homologyvoltage-gated channel activityHOM03M000275
GO:0005267IEAPLAZA Homologypotassium channel activityHOM03M000275
GO:0015267IEAPLAZA Homologychannel activityHOM03M000275

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005886IDA, ISS, UniProtplasma membrane1 2 3 4 5 6 7
GO:0009507ISMGene Ontologychloroplast1
GO:0005783IDAUniProtendoplasmic reticulum1 2 3 4 5 6
GO:0016021IEAUniProtintegral to membrane1 2 3 4 5
GO:0016020IEAInterPromembrane

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR003938Potassium channel, voltage-dependent, EAG/ELK/ERG
IPR021789Potassium channel, plant-type
IPR000595Cyclic nucleotide-binding domain
IPR014710RmlC-like jelly roll fold
IPR018490Cyclic nucleotide-binding-like
IPR005821Ion transport domain

Mapman id Description
34.15transport.potassium
No SignalP domains detected for this gene.