Gene: AT1G05560 (Arabidopsis thaliana)

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Gene Identifier
AT1G05560
Transcript Identifier
AT1G05560.1
Gene Type
Coding gene
Location
1 : 1645674-1647083 : negative

Family

Gene family
HOM03M000007
(2343 genes in 15 species)
specific family
Duplication type
Tandem duplicate

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Descriptions

Description
UDP-glucosyltransferase 75B1
Curated Summary
A UDP-glucose transferase localized in the phragmoplast. It has been co-purified with the callose synthase complex and may transfer UDP-glucose from sucrose synthase to the callose synthase and thus help form a substrate channel for the synthesis of callose at the forming cell plate. Induced by salicylic acid. Independent of NPR1 for their induction by salicylic acid. UGT1 encodes a protein with glucosyltransferase activity with high sequence homology to UGT2 (AT1G05530). It belongs to an UGT subfamily that binds UDP-glucose but not UDP-glucuronate, UDP-galactose, or UDP-rhamnose as the glycosyl donor. UGT1 was shown to be able to use abscisic acid as glycosylation substrate in the presence of UDP-glucose. UGT1/UGT75B1 catalyzes the formation of the p-aminobenzoate-glucose ester in vitro and in vivo. It appears to be the enzyme predominantly responsible for pABA-Glc formation in Arabidopsis based on assays in leaves, flowers, and siliques.
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Identifiers

Identifier Name
aliasUDP-glucosyltransferase 75B1
aliasUDP-GLUCOSE TRANSFERASE 1
aliasUGT75B1
aliasUGT1
uniprotQ9LR44

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0009920TASUniProtcell plate formation involved in plant-type cell wall biogenesis1 2 3 4 5 6 7 8
GO:0009751IEPUniProtresponse to salicylic acid1 2 3 4 5 6 7 8
GO:0046482IDA, RCA, UniProtpara-aminobenzoic acid metabolic process1 2 3 4 5 6 7 8 9
GO:0009407RCAGene Ontologytoxin catabolic process1
GO:0010583RCAGene Ontologyresponse to cyclopentenone1
GO:0008152IEAInterPrometabolic process

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0010294IDAGene Ontologyabscisic acid glucosyltransferase activity1
GO:0016757ISSGene Ontologytransferase activity, transferring glycosyl groups1
GO:0005515IPIGene Ontologyprotein binding1
GO:0008194ISS, TASGene OntologyUDP-glycosyltransferase activity1 2
GO:0035251IDA, TASGene OntologyUDP-glucosyltransferase activity1 2
GO:0080002IDAUniProtUDP-glucose:4-aminobenzoate acylglucosyltransferase activity1 2 3 4 5 6 7 8
GO:0047215IEAUniProtindole-3-acetate beta-glucosyltransferase activity1 2 3 4 5 6 7
GO:0016758IEAInterProtransferase activity, transferring hexosyl groups
GO:0003824IEAPLAZA Homologycatalytic activityHOM03M000007
GO:0016740IEAPLAZA Homologytransferase activityHOM03M000007

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507ISMGene Ontologychloroplast1
GO:0009524IDAUniProtphragmoplast1 2 3 4 5 6 7 8
GO:0005856IEAUniProtcytoskeleton1 2 3 4 5 6 7
GO:0048471IEAUniProtperinuclear region of cytoplasm1 2 3 4 5 6 7

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Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR002213UDP-glucuronosyl/UDP-glucosyltransferase

Mapman id Description
17.2.1hormone metabolism.auxin.synthesis-degradation
No SignalP domains detected for this gene.