Gene: AT2G21590 (Arabidopsis thaliana)

Overview top

Gene Identifier
AT2G21590
Transcript Identifier
AT2G21590.3
Gene Type
Coding gene
Location
Chr2 : 9239362-9242150 : positive

Family

Gene family
HOM04M000615
(203 genes in 29 species)
specific family
Subfamily
ORTHO04M001073
(117 genes in 29 species)
specific family
Duplication type
Block duplicate

Descriptions

Description
Glucose-1-phosphate adenylyltransferase family protein
Curated Summary
Encodes the large subunit of ADP-glucose pyrophosphorylase, the enzyme which catalyzes the first and limiting step in starch biosynthesis. The large subunit plays a regulatory role whereas the small subunit (ApS) is the catalytic isoform. Four isoforms of the large subunit (ApL1-4) have been described.
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Identifiers

Type Value
symbolAPL4
tidAT2G21590.3
UniProtQ9SIK1

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0009058 IEAInterProbiosynthetic process
GO:0005978 IEAGene Ontologyglycogen biosynthetic process1
GO:0019252 IEA, TASGene Ontologystarch biosynthetic process1 2

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0016779 IEAInterPronucleotidyltransferase activity
GO:0008878 IDA, IEAGene Ontologyglucose-1-phosphate adenylyltransferase activity1
GO:0005524 IEAGene OntologyATP binding1

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507 IEA, ISMGene Ontologychloroplast1 2
GO:0010170 IDAGene Ontologyglucose-1-phosphate adenylyltransferase complex1

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Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR029044Nucleotide-diphospho-sugar transferases
IPR005835Nucleotidyl transferase domain
IPR005836ADP-glucose pyrophosphorylase, conserved site
IPR011004Trimeric LpxA-like
IPR011831Glucose-1-phosphate adenylyltransferase

Mapman id Description
3.2.2.3.Carbohydrate metabolism.starch metabolism.biosynthesis.ADP-glucose pyrophosphorylase
No SignalP domains detected for this gene.