Gene: AT4G21540 (Arabidopsis thaliana)

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Gene Identifier
AT4G21540
Transcript Identifier
AT4G21540.1
Gene Type
Coding gene
Location
Chr4 : 11459609-11462356 : positive

Family

Gene family
HOM04M002575
(63 genes in 29 species)
specific family
Duplication type
Tandem duplicate

Descriptions

Description
sphingosine kinase 1
Curated Summary
Encodes a sphingosine kinase, also has enzyme activity towards other plant long-chain sphingoid bases. Involved in guard cell ABA signalling and seed germination.
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Identifiers

Type Value
symbolSPHK1
tidAT4G21540.1
UniProtQ8L7L1

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0008152 IEAInterPrometabolic process
GO:0007205 ISSGene Ontologyprotein kinase C-activating G-protein coupled receptor signaling pathway1
GO:0016310 IEAGene Ontologyphosphorylation1
GO:0009737 IMPUniProtresponse to abscisic acid1
GO:0009845 IMPUniProtseed germination1
GO:0006665 IDA, IMP, UniProtsphingolipid metabolic process1 2
GO:0071215 IMPUniProtcellular response to abscisic acid stimulus1

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0003951 IEAUniProtNAD+ kinase activity1
GO:0016301 IEAUniProtkinase activity1
GO:0004143 ISSGene Ontologydiacylglycerol kinase activity1
GO:0005524 IEAUniProtATP binding1
GO:0017050 IDA, TAS, UniProtD-erythro-sphingosine kinase activity1 2
GO:0008481 IDAUniProtsphinganine kinase activity1
GO:0070300 IDAUniProtphosphatidic acid binding

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005634 ISMGene Ontologynucleus1
GO:0005794 ISMGene OntologyGolgi apparatus1
GO:0009507 ISMGene Ontologychloroplast1
GO:0005773 IDAUniProtvacuole1
GO:0009705 IDAUniProtplant-type vacuole membrane1

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Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR017438Inorganic polyphosphate/ATP-NAD kinase, domain 1
IPR001206Diacylglycerol kinase, catalytic domain
IPR016064NAD kinase/diacylglycerol kinase-like domain

Mapman id Description
5.7.5.2.Lipid metabolism.lipid degradation.sphingolipid degradation.sphingosine kinase
No SignalP domains detected for this gene.