Category:LBS: Difference between revisions
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Revision as of 13:51, 22 November 2009
Sphingolipid (スフィンゴ脂質)
Class Overview
Sphingosine is synthesized from decarboxylating condensation of palmitoyl CoA with serine. It is a 18-carbon amino alcohol (16 carbons from palmitic acid and 2 from serine) with one unsaturated bond (2-amino-4-octadecene-1,3-diol). Sphingosine is further acylated to form ceramide, an important component of cell membranes.
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スフィンゴシンはパルミトイルCoAがアミノ酸セリンと脱炭酸縮合して生成します。炭素を18個含むアミノアルコール(16個がパルミチン酸、2個がセリン由来)で不飽和結合を1つ含んでいます (2-amino-4-octadecene-1,3-diol)。
スフィンゴシンがアシル化したものが、細胞膜の重要な成分であるセラミドです。
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Common Abbreviations よく使う略称
Cer | Ceramides | セラミド |
Sph | Sphingosine | スフィンゴシン |
Design of Sphingolipid Identifiers ID番号の設計
25-DIGIT(5+9+9+2)
L | B | S | a | a | : | x1 | x1 | y1 | z1 | z1 | w1 | w1 | c1 | c1 | : | x2 | x2 | y2 | z2 | z2 | w2 | w2 | c2 | c2 |
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Classification
By the Number of Sugars 糖の個数
For glycosphingolipid, 2 digits following LBS stand for the number of attached sugars. For phosphosphingolipid, the code of phosphorylation, PP. |
スフィンゴ糖脂質は結合している糖の総数をLBSに続く2桁の数字で、スフィンゴリン脂質は数字の代わりにリン酸化修飾を示す記号PPで分類しています。 |
Sphingolipid Overview | ||
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Polysaccharide Chain
Glycosphingolipids (Abbr. BASE = Galβ1-4Glcβ1-Cer) | |||||||||
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Gala (Ga) Galα-4(6)Galβ1-Cer |
Globo (Gb) Galα1-4 BASE |
Isoglobo (iG) Galα1-3 BASE | |||||||
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Ganglio (Gg) GalNAcβ1-4 BASE |
Isoganglio (iG) GalNAcβ1-3 BASE | ||||||||
Lactoganglio (LG)
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Lacto (Lc) Glcβ1-3 BASE | ||||||||
Neolacto (nL) Galβ1-4GlcNAcβ1-3 BASE |