Neuraminidase "unmasking" and failure of trypsin to "unmask"  -D-galactose-like sites on erythrocyte, lymphoma, and normal and virus-transformed fibroblast cell membranes.
D000372:Agglutination Tests; D000818:Animals; D001665:Binding Sites; D002462:Cell Membrane / Q000187:drug effects; D002478:Cells, Cultured; D003016:Clostridium perfringens / Q000201:enzymology; D004912:Erythrocytes / Q000187:drug effects*; D005347:Fibroblasts; D005690:Galactose / Q000378:metabolism; D006801:Humans; D007456:Iodine Isotopes; D008213:Lymphocyte Activation; D008223:Lymphoma / Q000378:metabolism*; D051379:Mice; D009374:Neoplasms, Experimental / Q000378:metabolism; D009439:Neuraminidase / Q000494:pharmacology*; D013539:Simian virus 40; D014357:Trypsin / Q000494:pharmacology*; D014735:Vibrio Infections / Q000201:enzymology
D007456:Iodine Isotopes; D009439:Neuraminidase; D014357:Trypsin; D005690:Galactose