硒甲硫氨酸

L-硒甲硫胺酸,或甲硒胺酸硒蛋胺酸英語:),即L-硒代蛋胺酸,是重要的有机硒源之一。在自然界中,元素以硒代胺基酸形式有机存在于粮食中,也是有机硒在硒酵母中存在的主要形式。[1] 合成蛋白过程中,部分蛋胺酸由硒蛋胺酸替代,成为哺乳动物贮存有机硒的仓库。在硒需求量旺盛时期,可以可逆地释放传递到需要硒的部位或参与新一轮硒蛋白合成。[2]

硒甲硫氨酸
Selenomethionine: chemical structure
IUPAC名
2-amino-4-methylselanyl-butanoic acid
别名 MSE
识别
CAS号 1464-42-2((D/L))  N
3211-76-5((L))  N
PubChem 15103
ChemSpider 14375
SMILES
InChI
InChIKey RJFAYQIBOAGBLC-UHFFFAOYAT
ChEBI 27585
性质
化学式 C5H11NO2Se
摩尔质量 196.106 g/mol g·mol¹
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

註釋

  1. P. D. Whanger, Selenocompounds in plants and animals and their biological significance, Journal of the American College of Nutrition, 21(3), 223–232 (2002).
  2. E. Block, M. Birringer, W. Jiang, T. Nakahodo, H.J. Thompson, P.J. Toscano, H. Uzar, X. Zhang, and Z. Zhu, Allium chemistry: synthesis, natural occurrence, biological activity, and chemistry of Se-alk(en)ylselenocysteines and their γ-glutamyl derivatives and oxidation products, J. Agric. Food Chem., 49, 458-470 (2001).

參見

外部連結

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