treatment with either endoglycosidase h , neuraminidase , or dithiothreitol had no effect on its mobility in sodium dodecyl sulfate polyacrylamide gels , or in its recognition by antibody , suggesting the absence of carbohydrate moieties or disulphide bonds in relation to its antigenic determinants and also suggesting that the antigen is a pure polypeptide .
C0003316
antigenic
C0003320
antigen