Gene: AT2G18790 (Arabidopsis thaliana)

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Gene Identifier
AT2G18790
Transcript Identifier
AT2G18790.1
Gene Type
Coding gene
Location
Chr2 : 8140079-8144151 : positive

Family Information

Homologous gene family
HOM04D000937
(298 genes in 53 species)
specific family
Orthologous gene family
ORTHO04D001080
(239 genes in 53 species)
specific family

Descriptions

Description
phytochrome B
Curated Summary
Red/far-red photoreceptor involved in the regulation of de-etiolation. Exists in two inter-convertible forms: Pr and Pfr (active). Involved in the light-promotion of seed germination and in the shade avoidance response. Promotes seedling etiolation in both the presence and absence of phytochrome A. Overexpression results in etiolation under far-red light. Accumulates in the nucleus after exposure to far red light. The phosphorylation state of the Ser-86 residue of the phytochrome B molecule alters dark reversion of the molecule.
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Identifiers

Type Value
AliasHY3,OOP1,OUT OF PHASE 1
symbolPHYB
tidAT2G18790.1

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Biological Process

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0006351
IEA
UniProttranscription, DNA-templated
GO:0006351
IEA
Gene Ontologytranscription, DNA-templated1
GO:0006355
IEA
UniProtregulation of transcription, DNA-templated
GO:0006355
ISS
Gene Ontologyregulation of transcription, DNA-templated2
GO:0006355
IEA
InterProregulation of transcription, DNA-templated
GO:0009584
IEA
UniProtdetection of visible light
GO:0009584
IEA
Gene Ontologydetection of visible light3
GO:0009584
IEA
InterProdetection of visible light
GO:0009585
IEA
UniProtred, far-red light phototransduction
GO:0009585
IEA
Gene Ontologyred, far-red light phototransduction1
GO:0009585
IEA
InterProred, far-red light phototransduction
GO:0018298
IEA
UniProtprotein-chromophore linkage
GO:0018298
IEA
Gene Ontologyprotein-chromophore linkage1
GO:0018298
IEA
InterProprotein-chromophore linkage
GO:0009409
IMP
UniProtresponse to cold
GO:0009409
IMP
Gene Ontologyresponse to cold4
GO:0009649
IMP
UniProtentrainment of circadian clock
GO:0009649
IMP
Gene Ontologyentrainment of circadian clock5
GO:0009638
IMP
UniProtphototropism
GO:0009638
IMP
Gene Ontologyphototropism6
GO:0009630
IMP
UniProtgravitropism
GO:0009630
IMP
Gene Ontologygravitropism7
GO:0009687
IMP
UniProtabscisic acid metabolic process
GO:0009687
IMP
Gene Ontologyabscisic acid metabolic process8
GO:0010029
IMP
UniProtregulation of seed germination
GO:0010029
IMP
Gene Ontologyregulation of seed germination8
GO:0010161
IMP
UniProtred light signaling pathway
GO:0010161
IMP
Gene Ontologyred light signaling pathway9
GO:0010617
IMP
UniProtcircadian regulation of calcium ion oscillation
GO:0010617
IMP
Gene Ontologycircadian regulation of calcium ion oscillation10
GO:0009867
IMP
UniProtjasmonic acid mediated signaling pathway
GO:0009867
IMP
Gene Ontologyjasmonic acid mediated signaling pathway11
GO:0031347
IMP
UniProtregulation of defense response
GO:0031347
IMP
Gene Ontologyregulation of defense response11
GO:0010148
IMP
UniProttranspiration
GO:0010148
IMP
Gene Ontologytranspiration12
GO:0010374
IMP
UniProtstomatal complex development
GO:0010374
IMP
Gene Ontologystomatal complex development12
GO:0015979
IMP
UniProtphotosynthesis
GO:0015979
IMP
Gene Ontologyphotosynthesis12
GO:0006325
IMP
UniProtchromatin organization
GO:0006325
IMP
Gene Ontologychromatin organization13
GO:0009640
IMP
UniProtphotomorphogenesis
GO:0009640
IMP
Gene Ontologyphotomorphogenesis14
GO:0010218
IMP
UniProtresponse to far red light
GO:0010218
IMP
Gene Ontologyresponse to far red light15
GO:0017012
IDA
UniProtprotein-phytochromobilin linkage
GO:0017012
IDA
Gene Ontologyprotein-phytochromobilin linkage16 17
GO:2000028
IMP
UniProtregulation of photoperiodism, flowering
GO:2000028
IMP
Gene Ontologyregulation of photoperiodism, flowering18 19
GO:0010244
IDA
UniProtresponse to low fluence blue light stimulus by blue low-fluence system
GO:0010244
IDA
Gene Ontologyresponse to low fluence blue light stimulus by blue low-fluence system20 21
GO:0009266
IMP
UniProtresponse to temperature stimulus
GO:0009266
IMP
Gene Ontologyresponse to temperature stimulus22 23
GO:0045892
IDA
UniProtnegative regulation of transcription, DNA-templated
GO:0045892
IDA
Gene Ontologynegative regulation of transcription, DNA-templated22 23
GO:0010202
IMP
UniProtresponse to low fluence red light stimulus
GO:0010202
IMP
Gene Ontologyresponse to low fluence red light stimulus24
GO:0017006
IEA
UniProtprotein-tetrapyrrole linkage
GO:0017006
IEA
InterProprotein-tetrapyrrole linkage
GO:0007165
IEA
InterProsignal transduction
GO:0010201
IEA
PLAZA Tree-based Orthologyresponse to continuous far red light stimulus by the high-irradiance response system AT1G09570
GO:0017148
IEA
PLAZA Tree-based Orthologynegative regulation of translation AT1G09570
GO:0010203
IEA
PLAZA Tree-based Orthologyresponse to very low fluence red light stimulus AT1G09570
GO:0000724
IEA
PLAZA Tree-based Orthologydouble-strand break repair via homologous recombination LOC_Os03g54084
GO:0010017
IEA
PLAZA Tree-based Orthologyred or far-red light signaling pathway AT4G16250
GO:0046685
IEA
PLAZA Tree-based Orthologyresponse to arsenic-containing substance AT1G09570
GO:0007131
IEA
PLAZA Tree-based Orthologyreciprocal meiotic recombination LOC_Os03g54084

Molecular Function

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0000155
IEA
UniProtphosphorelay sensor kinase activity
GO:0000155
IEA
Gene Ontologyphosphorelay sensor kinase activity3
GO:0000155
IEA
InterProphosphorelay sensor kinase activity
GO:0004673
ISS
Gene Ontologyprotein histidine kinase activity25
GO:0004871
ISS
Gene Ontologysignal transducer activity2
GO:0008020
ISS
Gene OntologyG-protein coupled photoreceptor activity2
GO:0005515
IPI
Gene Ontologyprotein binding26
GO:0005515
IEA
InterProprotein binding
GO:0009883
IMP
UniProtred or far-red light photoreceptor activity
GO:0009883
IMP
Gene Ontologyred or far-red light photoreceptor activity5
GO:0042802
IPI
UniProtidentical protein binding
GO:0042802
IPI
Gene Ontologyidentical protein binding27
GO:0031516
IDA
UniProtfar-red light photoreceptor activity
GO:0031516
IDA
Gene Ontologyfar-red light photoreceptor activity14
GO:0031517
IDA
UniProtred light photoreceptor activity
GO:0031517
IDA
Gene Ontologyred light photoreceptor activity14
GO:0042803
IDA
IEA
UniProtprotein homodimerization activity
GO:0042803
IDA
Gene Ontologyprotein homodimerization activity16 17
GO:0042803
IEA
InterProprotein homodimerization activity
GO:0043565
IDA
UniProtsequence-specific DNA binding
GO:0043565
IDA
Gene Ontologysequence-specific DNA binding22 23
GO:1990841
IDA
UniProtpromoter-specific chromatin binding
GO:1990841
IDA
Gene Ontologypromoter-specific chromatin binding22 23
GO:0009881
IEA
UniProtphotoreceptor activity
GO:0009881
IEA
InterProphotoreceptor activity
GO:0004672
IEA
PLAZA Tree-based Orthologyprotein kinase activity AT1G09570
GO:0003729
IEA
PLAZA Tree-based OrthologymRNA binding AT1G09570

Cellular Component

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0005886
ISM
Gene Ontologyplasma membrane28
GO:0016607
IEA
UniProtnuclear speck
GO:0016607
IEA
Gene Ontologynuclear speck29
GO:0005634
IDA
UniProtnucleus
GO:0005634
IDA
Gene Ontologynucleus30
GO:0005829
IDA
UniProtcytosol
GO:0005829
IDA
Gene Ontologycytosol14
GO:0016604
IDA
UniProtnuclear body
GO:0016604
IDA
Gene Ontologynuclear body14
GO:0005622
IEA
UniProtintracellular
GO:0005737
IEA
PLAZA Tree-based Orthologycytoplasm AT1G09570

Color Legend

Experimental Evidence
Computational Reviewed Evidence
Electronic Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR000014PAS domain
IPR003594Histidine kinase-like ATPase, C-terminal domain
IPR029016GAF domain-like
IPR013515Phytochrome, central region
IPR003018GAF domain
IPR013654PAS fold-2
IPR013767PAS fold
IPR003661Signal transduction histidine kinase, dimerisation/phosphoacceptor domain
IPR012129Phytochrome A/B/C/D/E
IPR001294Phytochrome
IPR013516Phytochrome chromophore binding site
IPR005467Histidine kinase domain
IPR016132Phytochrome chromophore attachment domain

Mapman id Description
26.1.1.1.External stimuli response.light.red/far red light.phytochrome photoreceptor (PHY)
26.4.1.2.External stimuli response.temperature.sensing and signalling.temperature sensor protein (PHY-B)