Gene: AT1G44575 (Arabidopsis thaliana)

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Gene Identifier
AT1G44575
Transcript Identifier
AT1G44575.1
Gene Type
Coding gene
Location
1 : 16871768-16873194 : positive

Family

Gene family
HOM03M004695
(21 genes in 14 species)
specific family

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Descriptions

Description
Chlorophyll A-B binding family protein
Curated Summary
Encoding PSII-S (CP22), a ubiquitous pigment-binding protein associated with photosystem II (PSII) of higher plants. Involved in nonphotochemical quenching rather than in photosynthesis. Mutant has a normal violaxanthin cycle but has a limited capacity of quenching singlet excited chlorophylls and is tolerant to lipid peroxidation.
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Identifiers

Identifier Name
aliasNONPHOTOCHEMICAL QUENCHING 4
aliasPHOTOSYSTEM II SUBUNIT S
aliasNPQ4
aliasCP22
aliasPSBS
uniprotQ9XF91

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0010196IMPUniProtnonphotochemical quenching1 2 3 4
GO:0080167IEPUniProtresponse to karrikin1 2 3 4
GO:0010027IMPUniProtthylakoid membrane organization1 2 3 4
GO:0000023RCAGene Ontologymaltose metabolic process1
GO:0006364RCAGene OntologyrRNA processing1
GO:0009657RCAGene Ontologyplastid organization1
GO:0010103RCAGene Ontologystomatal complex morphogenesis1
GO:0010207RCAGene Ontologyphotosystem II assembly1
GO:0019252RCAGene Ontologystarch biosynthetic process1
GO:0019344RCAGene Ontologycysteine biosynthetic process1
GO:0043085RCAGene Ontologypositive regulation of catalytic activity1
GO:0015979IEAUniProtphotosynthesis1 2 3
GO:0019684IEAPLAZA Homologyphotosynthesis, light reactionHOM03M004695

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0016168TASUniProtchlorophyll binding1 2 3 4
GO:0051738TASUniProtxanthophyll binding1 2 3 4

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507IDA, ISMGene Ontologychloroplast1 2
GO:0009517TASUniProtPSII associated light-harvesting complex II1 2 3 4
GO:0009535IDAGene Ontologychloroplast thylakoid membrane1
GO:0016020IDAGene Ontologymembrane1
GO:0009579IDAGene Ontologythylakoid1
GO:0009534IDAGene Ontologychloroplast thylakoid1
GO:0016021IEAUniProtintegral to membrane1 2 3
GO:0009523IEAUniProtphotosystem II1 2 3
GO:0009536IEAPLAZA HomologyplastidHOM03M004695

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Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR022796Chlorophyll A-B binding protein
IPR023329Chlorophyll a/b binding protein domain

Mapman id Description
1.1.1.2PS.lightreaction.photosystem II.PSII polypeptide subunits
No SignalP domains detected for this gene.