immunoprecipitation of surface iodinated meth-a cell extract with hepss-1 , as well as sepharose 4b gel chromatography of meth-a cell extract and detection of antigens recognized by hepss-1 by a sandwich-type radioimmunoassay revealed that the hepss-1 antigens were composed of several molecular species , with one as large as approximately 10 ( 6 ) daltons .
C0699040
of surface
C0007634
cell