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Pharmacogenetics of sulfotransferase.

机译:磺基转移酶的药理学。

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摘要

Cytosolic sulfotransferase catalyzes sulfoconjugation of relatively small lipophilic endobiotics and xenobiotics. At least 44 cytosolic sulfotransferases have been identified from mammals, and based on their amino acid sequences, these forms are shown to constitute five different families. In humans, 10 sulfotransferase genes have been identified and shown to localize on at least five different chromosomes. The enzymatic properties characterized in the recombinant forms indicate the association of their substrate specificity with metabolisms of such nonpeptide hormones as estrogen, corticoid, and thyroxine, although most forms are also active on the sulfation of various xenobiotics. Genetic polymorphisms are observed on such human sulfotransferases as ST1A2, ST1A3, and ST2A3.
机译:胞质磺基转移酶催化相对较小的亲脂性内生生物素和异源生物的磺基缀合。已经从哺乳动物中鉴定出至少44种胞质磺基转移酶,并且基于它们的氨基酸序列,这些形式显示出构成五个不同的家族。在人类中,已经鉴定出10个磺基转移酶基因,并显示它们位于至少五个不同的染色体上。重组形式所表征的酶学性质表明,其底物特异性与诸如雌激素,皮质类固醇和甲状腺素等非肽类激素的代谢相关,尽管大多数形式也对各种异源生物的硫酸化具有活性。在诸如ST1A2,ST1A3和ST2A3之类的人磺基转移酶上观察到遗传多态性。

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