Rhea - reaction knowledgebase

Enzymes

UniProtKB ^help_outline	6 proteins
Enzyme class ^help_outline	EC 2.4.1.120 sinapate 1-glucosyltransferase
GO Molecular Function ^help_outline	GO:0050284 sinapate 1-glucosyltransferase activity

Reaction participants Show >> << Hide

Name ^help_outline (E)-sinapate Identifier CHEBI:30023 Charge -1 Formula C11H11O5 InChIKey^help_outline PCMORTLOPMLEFB-ONEGZZNKSA-M SMILES^help_outline COc1cc(cc(OC)c1O)\C=C\C([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 7 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline UDP-α-D-glucose Identifier CHEBI:58885 (Beilstein: 3827329) ^help_outline Charge -2 Formula C15H22N2O17P2 InChIKey^help_outline HSCJRCZFDFQWRP-JZMIEXBBSA-L SMILES^help_outline OC[C@H]1O[C@H](OP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)n2ccc(=O)[nH]c2=O)[C@H](O)[C@@H](O)[C@@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 223 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline 1-O-(trans-sinapoyl)-β-D-glucose Identifier CHEBI:16546 Charge 0 Formula C17H22O10 InChIKey^help_outline XRKBRPFTFKKHEF-DGDBGZAXSA-N SMILES^help_outline COc1cc(cc(OC)c1O)\C=C\C(=O)O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 6 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline UDP Identifier CHEBI:58223 Charge -3 Formula C9H11N2O12P2 InChIKey^help_outline XCCTYIAWTASOJW-XVFCMESISA-K SMILES^help_outline O[C@@H]1[C@@H](COP([O-])(=O)OP([O-])([O-])=O)O[C@H]([C@@H]1O)n1ccc(=O)[nH]c1=O 2D coordinates Mol file for the small molecule Search links Involved in 542 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule

Cross-references

	RHEA:13305	RHEA:13306	RHEA:13307	RHEA:13308
Reaction direction	undefined	left-to-right	right-to-left	bidirectional
UniProtKB ^help_outline	6 proteins
EC numbers ^help_outline	2.4.1.120
Gene Ontology ^help_outline	GO:0050284
KEGG ^help_outline				R02380
MetaCyc ^help_outline		SINAPATE-1-GLUCOSYLTRANSFERASE-RXN

Publications

Molecular regulation of sinapate ester metabolism in Brassica napus: expression of genes, properties of the encoded proteins and correlation of enzyme activities with metabolite accumulation.

Milkowski C., Baumert A., Schmidt D., Nehlin L., Strack D.

Members of the Brassicaceae family accumulate specific sinapate esters, i.e. sinapoylcholine (sinapine), which is considered as a major antinutritive compound in seeds of important crop plants like Brassica napus, and sinapoylmalate, which is implicated in UV-B tolerance in leaves. We have studied ... >> More

Members of the Brassicaceae family accumulate specific sinapate esters, i.e. sinapoylcholine (sinapine), which is considered as a major antinutritive compound in seeds of important crop plants like Brassica napus, and sinapoylmalate, which is implicated in UV-B tolerance in leaves. We have studied the molecular regulation of the sinapate ester metabolism in B. napus, and we describe expression of genes, some properties of the encoded proteins and profiles of the metabolites and enzyme activities. The cloned cDNAs encoding the key enzymes of sinapine biosynthesis, UDP-glucose (UDP-Glc):B. napus sinapate glucosyltransferase (BnSGT1) and sinapoylglucose:B. napus choline sinapoyltransferase (BnSCT), were functionally expressed. BnSGT1 belongs to a subgroup of plant GTs catalysing the formation of 1-O-hydroxycinnamoyl-beta-d-glucoses. BnSCT is another member of serine carboxypeptidase-like (SCPL) family of acyltransferases. The B. napus genome contains at least two SGT and SCT genes, each derived from its progenitors B. oleracea and B. rapa. BnSGT1 and BnSCT activities are subjected to pronounced transcriptional regulation. BnSGT1 transcript level increases throughout early stages of seed development until the early cotyledonary stage, and stays constant in later stages. The highest level of BnSGT1 transcripts is reached in 2-day-old seedlings followed by a dramatic decrease. In contrast, expression of BnSCT is restricted to developing seeds. Regulation of gene expression at the transcript level seems to be responsible for changes of BnSGT1 and BnSCT activities during seed and seedling development of B. napus. Together with sinapine esterase (SCE) and sinapoylglucose:malate sinapoyltransferase (SMT), activities of BnSGT1 and BnSCT show a close correlation with the accumulation kinetics of the corresponding metabolites. << Less

Plant J 38:80-92(2004) [PubMed] [EuropePMC]

Comments

Published in: Strack, D. Enzymatic synthesis of 1-sinapoylglucose from free sinapic acid and UDP-glucose by a cell free system from Raphanus sativus seedlings. Z. Naturforsch. C: Biosci. 35 (1980) 204–208.