Gene: AT4G33950 (Arabidopsis thaliana)

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Gene Identifier
AT4G33950
Transcript Identifier
AT4G33950.1
Gene Type
Coding gene
Location
Chr4 : 16272364-16274657 : positive

Family Information

Homologous gene family
HOM04x5M000027
(2847 genes in 39 species)
specific family
Orthologous gene family
ORTHO04x5M000286
(434 genes in 39 species)
specific family

Descriptions

Description
Protein kinase superfamily protein
Curated Summary
Encodes calcium-independent ABA-activated protein kinase, a member of SNF1-related protein kinases (SnRK2) whose activity is activated by ionic (salt) and non-ionic (mannitol) osmotic stress. Mutations disrupted ABA induction of stomatal closure as well as ABA inhibition of light-induced stomatal opening. However, regulation of stomatal opening/closing by light or CO(2) is not affected in these mutants. May act in the interval between ABA perception and reactive oxygen species production in the ABA signalling network.
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Identifiers

Type Value
AliasATOST1,OPEN STOMATA 1,P44,SNRK2-6,SUCROSE NONFERMENTING 1-RELATED PROTEIN KINASE 2-6,SNRK2.6,SNF1-RELATED PROTEIN KINASE 2.6,SRK2E
full_nameOPEN STOMATA 1
DbxrefPMID:12047634,PMID:12514244,PMID:12711225,PMID:15064385,PMID:16682349,PMID:16766677,PMID:16959575,PMID:18433157,PMID:19302418,PMID:21166475,gene:2118928,UniProt:Q940H6
symbolOST1
tidAT4G33950.1

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Biological Process

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0006468
IEA
Gene Ontologyprotein phosphorylation1
GO:0006468
IEA
InterProprotein phosphorylation
GO:0009414
IMP, IGI
Gene Ontologyresponse to water deprivation2 3 4 5
GO:0009737
IDA, IMP
Gene Ontologyresponse to abscisic acid2 3 6 7
GO:0010119
IMP
Gene Ontologyregulation of stomatal movement2 3
GO:0009738
TAS
Gene Ontologyabscisic acid-activated signaling pathway8 9
GO:2000377
IMP
Gene Ontologyregulation of reactive oxygen species metabolic process10 11
GO:0006970
IDA, IGI
Gene Ontologyresponse to osmotic stress6 7 12 13
GO:0009651
IDA
Gene Ontologyresponse to salt stress6 7
GO:0010118
IMP
Gene Ontologystomatal movement14 15
GO:0042742
IMP
Gene Ontologydefense response to bacterium14 15
GO:0005985
IMP
Gene Ontologysucrose metabolic process16 17
GO:0006636
IMP
Gene Ontologyunsaturated fatty acid biosynthetic process16 17
GO:0019432
IMP
Gene Ontologytriglyceride biosynthetic process16 17
GO:0048366
IMP
Gene Ontologyleaf development16 17
GO:0046777
IDA
Gene Ontologyprotein autophosphorylation18 19
GO:1902456
IMP
Gene Ontologyregulation of stomatal opening20 21
GO:0009789
IMP
Gene Ontologypositive regulation of abscisic acid-activated signaling pathway22 23
GO:0071244
IMP
Gene Ontologycellular response to carbon dioxide24 25
GO:0071485
IMP
Gene Ontologycellular response to absence of light24 25
GO:0090333
IMP
Gene Ontologyregulation of stomatal closure24 25

Molecular Function

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0004672
IDA
TAS
Gene Ontologyprotein kinase activity8 9 26 27
GO:0004672
IEA
InterProprotein kinase activity
GO:0005524
IEA
Gene OntologyATP binding28
GO:0005524
IEA
InterProATP binding
GO:0004674
IEA
Gene Ontologyprotein serine/threonine kinase activity29
GO:0016301
IDA
ISS
Gene Ontologykinase activity6 7 30
GO:0009931
ISS
Gene Ontologycalcium-dependent protein serine/threonine kinase activity26 27
GO:0005515
IPI
Gene Ontologyprotein binding31 32
GO:0042802
IPI
Gene Ontologyidentical protein binding33 34

Cellular Component

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0005737
IDA
ISM
Gene Ontologycytoplasm4 5 35
GO:0005829
IDA
RCA
Gene Ontologycytosol36 37 38 39
GO:0005634
IDA
Gene Ontologynucleus4 5

Color Legend

Experimental Evidence
Computational Reviewed Evidence
Electronic Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR000719Protein kinase domain
IPR008271Serine/threonine-protein kinase, active site
IPR017441Protein kinase, ATP binding site
IPR011009Protein kinase-like domain superfamily

Mapman id Description
18.4.5.2Protein modification.phosphorylation.CAMK protein kinase superfamily.SNF1-related protein kinase (SnRK2)
26.2.1.3External stimuli response.carbon dioxide.sensing and signalling.signal transducer kinase (OST1)