EC Number   |
General Information |
Reference |
|---|
   2.3.1.91 | evolution |
evolutionary ancestry of the sinapoyltransferases sinapoylglucose:L-malate sinapoyltransferase and sinapoylglucose:choline sinapoyltransferase with serine carboxypeptidases, molecular mechanisms, overview |
716651 |
| 2.3.1.91 | evolution |
evolutionary ancestry of the sinapoyltransferases sinapoylglucose:L-malate sinapoyltransferase and sinapoylglucose:choline sinapoyltransferase with serine carboxypeptidases, molecular mechanisms, overview. Phylogenetic clustering of the sinapoyltransferases SMT and SCT and of sinapine esterase BnSCE3 |
716651 |
| 2.3.1.91 | malfunction |
a T-DNA insertion mutant lacking SCT activity reveals increased betaine levels in seeds due to increased endogenous choline supply as a consequence of blocked sinapine synthesis |
716651 |
| 2.3.1.91 | malfunction |
down-regulation of BnSCT is accompanied by an increase in the level of free choline that is not channelled into sinapine |
716651 |
| 2.3.1.91 | metabolism |
1-O-sinapoylglucose, produced by UDP-glucose:sinapate glucosyltransferase, SGT EC 2.4.1.120, during seed development, is converted to sinapine by sinapoylglucose:choline sinapoyltransferase, SCT, and hydrolyzed by sinapoylcholine (sinapine) esterase, SCE, in germinating seeds. The released sinapate feeds via sinapoylglucose into the biosynthesis of sinapoylmalate in the seedlings catalyzed by sinapoylglucose:L-malate sinapoyltransferase, SMT, pathway of sinapate ester biosynthesis, overview. The metabolic pool size of sinapoylglucose in brassicaceous plants is dependent on its turnover rate, developmentally regulated via differential expression of enzymes involved |
716651 |
| 2.3.1.91 | metabolism |
1-O-sinapoylglucose, produced by UDP-glucose:sinapate glucosyltransferase, SGT, during seed development, is converted to sinapine by sinapoylglucose:choline sinapoyltransferase , SCT, and hydrolyzed by sinapoylcholine (sinapine) esterase, SCE, in germinating seeds. The released sinapate feeds via sinapoylglucose into the biosynthesis of sinapoylmalate in the seedlings catalyzed by sinapoylglucose:L-malate sinapoyltransferase, SMT, pathway of sinapate ester biosynthesis, overview. The metabolic pool size of sinapoylglucose in brassicaceous plants is dependent on its turnover rate, developmentally regulated via differential expression of enzymes involved |
716651 |
| 2.3.1.91 | physiological function |
in brassicaceous plants like Arabidpsis thaliana and Brassica napus sinapate is channelled via 1-O-sinapoyl-beta-glucose to various sinapate esters of which 2-O-sinapoyl-L-malate, a proven UV-shielding component, partially accumulates in vacuoles of the leaf epidermis |
716651 |
