MURAMYL PEPTIDE-BINDING SITES ARE LOCATED INSIDE TARGET-CELLS

被引:21
|
作者
SUMAROKA, MV [1 ]
LITVINOV, IS [1 ]
KHAIDUKOV, SV [1 ]
GOLOVINA, TN [1 ]
KAMRAZ, MV [1 ]
KOMALEVA, RL [1 ]
ANDRONOVA, TM [1 ]
MAKAROV, EA [1 ]
NESMEYANOV, VA [1 ]
IVANOV, VT [1 ]
机构
[1] MM SHEMYAKIN BIOORGAN CHEM INST,MOSCOW 117871,USSR
关键词
MURAMYL PEPTIDE-BINDING SITE; MAMMALIAN CELL; FLOW CYTOMETRY;
D O I
10.1016/0014-5793(91)81381-H
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Using flow cytometry and fluorescence polarization analysis, specific muramyl peptide-binding sites were shown to be located inside T-lymphocytes, macrophages and neuroblastoma cells, but not inside B-cells. No binding sites were found on the cell surface. The number of binding sites for each cell type was determined. Two types of binding sites were observed for myelomonocytic WEHI-3 cells with K(d) values of 21 and 540 nM. Inhibition analysis demonstrated that for effective binding, an intact glycopeptide molecule and D-configuration of isoglutamine residue are important.
引用
收藏
页码:48 / 50
页数:3
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