InChI=1S/C45H60O26/c1-62-24-11-18(5-9-22(24)49)3-7-20(47)13-21(48)8-4-19-6-10-23(25(12-19)63-2)67-45-41(61)37(57)33(53)29(71-45)17-66-44-40(60)36(56)32(52)28(70-44)16-65-43-39(59)35(55)31(51)27(69-43)15-64-42-38(58)34(54)30(50)26(14-46)68-42/h3-12,26-46,49-61H,13-17H2,1-2H3/b7-3+,8-4+/t26-,27-,28-,29-,30-,31-,32-,33-,34+,35+,36+,37+,38-,39-,40-,41-,42-,43-,44-,45-/m1/s1 |
VJNNWFJFCMKNOQ-IZQIZKJGSA-N |
O([C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O)O)O)O)O)O)O)O)C=5C(=CC(=CC5)/C=C/C(CC(/C=C/C=6C=C(C(O)=CC6)OC)=O)=O)OC |
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plant metabolite
Any eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms.
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View more via ChEBI Ontology
4-[(1E,6E)-7-(4-hydroxy-3-methoxyphenyl)-3,5-dioxohepta-1,6-dien-1-yl]-2-methoxyphenyl β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside
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Masada S, Terasaka K, Oguchi Y, Okazaki S, Mizushima T, Mizukami H (2009) Functional and structural characterization of a flavonoid glucoside 1,6-glucosyltransferase from Catharanthus roseus. Plant & cell physiology 50, 1401-1415 [PubMed:19561332] [show Abstract] Sugar-sugar glycosyltransferases play an important role in structural diversity of small molecule glycosides in higher plants. We isolated a cDNA clone encoding a sugar-sugar glucosyltransferase (CaUGT3) catalyzing 1,6-glucosylation of flavonol and flavone glucosides for the first time from Catharanthus roseus. CaUGT3 exhibited a unique glucosyl chain elongation activity forming not only gentiobioside but also gentiotrioside and gentiotetroside in a sequential manner. We investigated the functional properties of CaUGT3 using homology modeling and site-directed mutagenesis, and identified amino acids positioned in the acceptor-binding pocket as crucial for providing enough space to accommodate flavonoid glucosides instead of flavonoid aglycones. These results provide basic information for understanding and engineering the catalytic functions of sugar-sugar glycosyltransferases involved in biosynthesis of plant glycosides. | Kaminaga Y, Nagatsu A, Akiyama T, Sugimoto N, Yamazaki T, Maitani T, Mizukami H (2003) Production of unnatural glucosides of curcumin with drastically enhanced water solubility by cell suspension cultures of Catharanthus roseus. FEBS letters 555, 311-316 [PubMed:14644434] [show Abstract] Catharanthus roseus cell suspension cultures converted exogenously supplied curcumin to a series of glucosides, none of which has been found in nature so far. The efficiency of glucosylation was dependent on culture stage of the cells and medium sucrose concentration. Methyl jasmonate and salicylic acid enhanced the glucoside formation only when they were added to the cultures prior to the addition of curcumin. The glucoside yield was 2.5 micromol/g fresh weight of the cells at an optimal culture condition. The water solubility of curcumin-4',4"-O-beta-D-digentiobioside was 0.65 mmol/ml, which was 20 million-fold higher than that of curcumin. |
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