98603-84-0 唾液酸化酶X

唾液酸化酶X

英文名称:SIALYL LEWIS X
CAS:

98603-84-0

分子式:C31H52N2O23
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唾液酸化酶X简介

Sialyl LewisX, also known as sialyl LeX and SLeX, is a tetrasaccharide carbohydrate that is usually attached to O-glycans on the surface of cells. It is known to play a vital role in cell-to-cell recognition processes. It is also the means by which an egg attracts sperm - first to stick to it, then bond with it and eventually form a fetus. The discovery of the essential role that this tetrasaccharide plays in the fertilization process was reported in August 2011.
Sialyl Lewis X is also one of the most important blood group antigens and is displayed on the terminus of glycolipids that are present on the cell surface. The Sialyl Lewis X determinant, E-selectin ligand carbohydrate structure, is constitutively expressed on granulocytes and monocytes and mediates inflammatory extravasation of these cells. Resting T and B lymphocytes lack its expression and are induced to strongly express sialyl Lewis X upon activation. The Sialyl Lewis X determinant is expressed preferentially on activated Th1 cells but not on Th2 cells.

唾液酸化酶X基本信息

中文名称 唾液酸化酶X 英文名称 SIALYL LEWIS X
中文别名

α-NeuNAc-(2→3)-β-D-Gal-(1→4)(α-L-Fuc-[1→3])-D-GlcNAc; 3-路易斯寡糖-X四糖;

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英文别名

SLEX,SODIUM SALT; S LEX; Sialyl Lex tri; SSEA 1; 3'-SIALYL-LEWIS-X TETRASACCHARIDE; Lewis Sugars; 3'-SIALYL-LEWISX; 3'-SIALYL LEWIS;

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CAS号 98603-84-0 分子式 C31H52N2O23
分子量 820.74400 精确质量 820.29600
PSA 410.71000 LOGP -8.60340

唾液酸化酶X编号系统

MDL号 MFCD00270073
PubChem号 24899495

唾液酸化酶X物化性质

密度:
1.66g/cm3
沸点:
1285.8ºC at 760mmHg
闪点:
731.4ºC
折射率:
1.653
储存条件:
-20ºC

安全信息

WGK Germany:
3
SDS 1.0 中文 展开
SDS 1.0 英文 展开
1H NMR : Predict展开

核磁图谱 1H NMR : Predict

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唾液酸化酶X
CAS号:98603-84-0 分子式:C31H52N2O23 分子量:820.74400

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