Gene: AT2G21590 (Arabidopsis thaliana)

Overview top

Gene Identifier
AT2G21590
Transcript Identifier
AT2G21590.1
Gene Type
Coding gene
Location
2 : 9239362-9242150 : positive

Family

Gene family
HOM03M000674
(103 genes in 16 species)
specific family
Duplication type
Block duplicate

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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

Identifier Name
aliasAPL4
uniprotQ9SIK1

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0019252TAS, RCAUniProtstarch biosynthetic process1 2 3 4
GO:0009853RCAGene Ontologyphotorespiration1
GO:0005978IEAUniProtglycogen biosynthetic process1 2
GO:0009058IEAInterProbiosynthetic process
GO:0005977IEAPLAZA Homologyglycogen metabolic processHOM03M000674
GO:0006112IEAPLAZA Homologyenergy reserve metabolic processHOM03M000674

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0008878IDA, ISSIEA, UniProtglucose-1-phosphate adenylyltransferase activity1 2 3 4
GO:0005524IEAUniProtATP binding1 2
GO:0016779IEAInterPronucleotidyltransferase activity

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507IEA, ISMUniProtchloroplast1 2 3
GO:0010170IDAUniProtglucose-1-phosphate adenylyltransferase complex1 2 3

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

Mapman id Description
2.1.2.1major CHO metabolism.synthesis.starch.AGPase
No SignalP domains detected for this gene.