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In enzymology, a polygalacturonate 4-alpha-galacturonosyltransferase () is an enzyme that catalyzes the chemical reaction :UDP-D-galacturonate + (1,4-alpha-D-galacturonosyl)n UDP + (1,4-alpha-D-galacturonosyl)n+1 Thus, the two substrates of this enzyme are UDP-D-galacturonate and (1,4-alpha-D-galacturonosyl)n, whereas its two products are UDP and (1,4-alpha-D-galacturonosyl)n+1. This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-D-galacturonate:1,4-alpha-poly-D-galacturonate 4-alpha-D-galacturonosyltransferase. Other names in common use include UDP galacturonate-polygalacturonate alpha-galacturonosyltransferase, uridine diphosphogalacturonate-polygalacturonate, and alpha-galacturonosyltransferase. This enzyme participates in starch and sucrose metabolism and nucleotide sugars metabolism. ==Indications== Polygalacturonate salts can be used clinically to treat the GI reactions that are due to Quinidine. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Polygalacturonate 4-alpha-galacturonosyltransferase」の詳細全文を読む スポンサード リンク
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