Muramyl peptide-binding sites are located inside target cells
1991
Abstract 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 WEH1-3 cells with K fd 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.
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