DB identifier
|
AT1G05560 | Secondary Identifier
|
locus:2201031 |
| Name
|
UDP-glucosyltransferase 75B1 | Brief Description | UDP-glucosyltransferase 75B1 |
| TAIR Computational Description | UDP-glucosyltransferase 75B1;(source:Araport11) |
| TAIR Curator 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. |
| TAIR Short Description | UDP-glucosyltransferase 75B1 |
| TAIR Aliases | UGT1, UGT75B1 |
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