脂质名称中的“sn”是什么意思?
脂质名称中的“sn”是什么意思?
Lip-1.13立体专一编号(sn)
为指明甘油及其衍生物的立体构型,对甘油的三个碳原子进行立体专一编号。按Fischer(费歇尔)投影表示:使碳骨架垂直排列,且第二碳(C-2)的羟基位于左侧;在此投影下,最上方的碳原子定为C-1。为表明该编号包含立体化学信息(区别于不含立体信息的常规编号),名称前应加上“sn-”前缀(stereospecifically numbered,意为立体专一编号)。例如sn-glycerol 3-phosphate。
参考文献
1. IUPAC–IUB Joint Commission on Biochemical Nomenclature. Nomenclature of Lipids. Biochem. J. 1978;171:21–35.
2. IUPAC–IUB Joint Commission on Biochemical Nomenclature. Nomenclature of Lipids. Chem. Phys. Lipids. 1978;21:159–173.
3. IUPAC–IUB Joint Commission on Biochemical Nomenclature. Nomenclature of Lipids. Eur. J. Biochem. 1977;79:11–21.
4. IUPAC–IUB Joint Commission on Biochemical Nomenclature. Nomenclature of Lipids. Hoppe-Seyler’s Z. Physiol. Chem. 1977;358:617–631.
5. IUPAC–IUB Joint Commission on Biochemical Nomenclature. Nomenclature of Lipids. J. Lipid Res. 1978;19:114–128.
6. IUPAC–IUB Joint Commission on Biochemical Nomenclature. Nomenclature of Lipids. Lipids. 1977;12:455–468.
7. IUPAC–IUB Joint Commission on Biochemical Nomenclature. Nomenclature of Lipids. Mol. Cell. Biochem. 1977;17:157–171.
8. IUPAC & IUBMB. Biochemical Nomenclature and Related Documents. 2nd ed. London: Portland Press; 1992. p. 180–190.
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