Gene: AT2G20890 (Arabidopsis thaliana)

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Gene Identifier
Transcript Identifier
Gene Type
Coding gene
2 : 8987783-8989185 : positive


Gene family
(20 genes in 16 species)
specific family

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photosystem II reaction center PSB29 protein
Curated Summary
Chloroplast-localized Thylakoid formation1 gene product involved in vesicle-mediated formation of thylakoid membranes. Thf1 antisense lines contain abnormal chloroplasts early in leaf development (chloroplasts have loosely stacked thylakoid membranes). Expression was induced in the light and decreased under dark conditions. G-alpha interaction partner that functions downstream of the plasma membrane?delimited heterotrimeric G-protein (GPA1) in a D-glucose signaling pathway. Localized to both the outer plastid membrane and the stroma. Probably involved in the metabolic pathway that controls the assembly of the PS II complex.
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Identifier Name
aliasphotosystem II reaction center PSB29 protein





Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0010027IMP, RCAIEA, UniProtthylakoid membrane organization1 2 3 4 5 6
GO:0045037IDAUniProtprotein import into chloroplast stroma1 2 3 4 5
GO:0045038IDAUniProtprotein import into chloroplast thylakoid membrane1 2 3 4 5
GO:0010207TAS, RCAUniProtphotosystem II assembly1 2 3 4 5 6
GO:0007186IPIUniProtG-protein coupled receptor signaling pathway1 2 3 4 5
GO:0010182IMPUniProtsugar mediated signaling pathway1 2 3 4 5
GO:0006364RCAGene OntologyrRNA processing1
GO:0006417RCAGene Ontologyregulation of translation1
GO:0006655RCAGene Ontologyphosphatidylglycerol biosynthetic process1
GO:0009657RCAGene Ontologyplastid organization1
GO:0009773RCAGene Ontologyphotosynthetic electron transport in photosystem I1
GO:0009902RCAGene Ontologychloroplast relocation1
GO:0019288RCAGene Ontologyisopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway1
GO:0034660RCAGene OntologyncRNA metabolic process1
GO:0035304RCAGene Ontologyregulation of protein dephosphorylation1
GO:0042742RCAGene Ontologydefense response to bacterium1
GO:0042793RCAGene Ontologytranscription from plastid promoter1
GO:0045893RCAGene Ontologypositive regulation of transcription, DNA-dependent1
GO:0009668IEAPLAZA Homologyplastid membrane organizationHOM03M005032

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0005515IPIGene Ontologyprotein binding1

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507IDA, ISMGene Ontologychloroplast1 2
GO:0009941IDAUniProtchloroplast envelope1 2 3 4 5
GO:0009535IDAUniProtchloroplast thylakoid membrane1 2 3 4 5
GO:0010319IDAUniProtstromule1 2 3 4 5
GO:0009534IDA, ISSGene Ontologychloroplast thylakoid1 2
GO:0009570IDAUniProtchloroplast stroma1 2 3 4 5
GO:0009527IDAUniProtplastid outer membrane1 2 3 4 5
GO:0009528IDAUniProtplastid inner membrane1 2 3 4 5
GO:0009532IDAGene Ontologyplastid stroma1
GO:0009707IEAUniProtchloroplast outer membrane1 2 3 4
GO:0016021IEAUniProtintegral to membrane1 2 3 4
GO:0009523IEAUniProtphotosystem II1 2 3 4

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR017499Photosystem II Psp29, biogenesis

Mapman id Description
No SignalP domains detected for this gene.