Gene: AT3G26650 (Arabidopsis thaliana)

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Gene Identifier
AT3G26650
Transcript Identifier
AT3G26650.1
Gene Type
Coding gene
Location
Chr3 : 9795226-9796848 : positive

Family

Gene family
HOM04M000380
(300 genes in 29 species)
specific family
Subfamily
ORTHO04M001819
(84 genes in 29 species)
specific family
Duplication type
Block duplicate

Descriptions

Description
glyceraldehyde 3-phosphate dehydrogenase A subunit
Curated Summary
Encodes one of the two subunits forming the photosynthetic glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and as such a constituent of the supramolecular complex with phosphoribulokinase (PRK) thought to be linked by a small peptide encoded by CP12-2. GapA-1 is coordinately expressed by light with PRK and CP12-2. The enzyme activity, tested in leaf protein extracts dropped significantly after external sucrose treatment for the photosynthetic GAPDH (NADPH-dependent) but not for the cytosolic GAPDH (NADH-dependent).
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Identifiers

Type Value
symbolGAPA
tidAT3G26650.1
UniProtP25856

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0055114 IEAGene Ontologyoxidation-reduction process1
GO:0006006 IEAUniProtglucose metabolic process1
GO:0006096 ISSGene Ontologyglycolytic process1
GO:0019253 NAS, IEA, UniProtreductive pentose-phosphate cycle1 2
GO:0009416 IEPUniProtresponse to light stimulus1
GO:0009744 IEPUniProtresponse to sucrose1
GO:0009409 IEPUniProtresponse to cold1
GO:0051289 IDAUniProtprotein homotetramerization

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0016620 IEAInterProoxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor
GO:0050661 IDA, IEA, UniProtNADP binding
GO:0051287 IDA, IEA, UniProtNAD binding
GO:0047100 IEAUniProtglyceraldehyde-3-phosphate dehydrogenase (NADP+) (phosphorylating) activity1
GO:0005515 IPIGene Ontologyprotein binding1
GO:0097718 IPIUniProtdisordered domain specific binding
GO:0004365 IDAUniProtglyceraldehyde-3-phosphate dehydrogenase (NAD+) (phosphorylating) activity
GO:0042802 IDAUniProtidentical protein binding
GO:0042803 IDAUniProtprotein homodimerization activity

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507 IDA, ISM, UniProtchloroplast1 2
GO:0031969 IEAUniProtchloroplast membrane1
GO:0009535 IDAUniProtchloroplast thylakoid membrane1
GO:0009570 IDA, ISS, UniProtchloroplast stroma1 2
GO:0010319 IDAUniProtstromule1
GO:0016020 IDAUniProtmembrane1
GO:0048046 IDAUniProtapoplast1
GO:0009941 IDAUniProtchloroplast envelope1
GO:0005829 RCAGene Ontologycytosol1
GO:0099080 IDAUniProtsupramolecular complex

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR020829Glyceraldehyde 3-phosphate dehydrogenase, catalytic domain
IPR020828Glyceraldehyde 3-phosphate dehydrogenase, NAD(P) binding domain
IPR020831Glyceraldehyde/Erythrose phosphate dehydrogenase family
IPR020830Glyceraldehyde 3-phosphate dehydrogenase, active site
IPR016040NAD(P)-binding domain
IPR006424Glyceraldehyde-3-phosphate dehydrogenase, type I

Mapman id Description
1.2.3Photosynthesis.calvin cycle.glyceraldehyde 3-phosphate dehydrogenase
No SignalP domains detected for this gene.