Specificity of Natural Heterohaemagglutinins in Snake Venoms and Other Biological Materials

‘Natural Antibodies’ and Immunoglobulins, a Dilemma

“…It is possible that the uncertainty about the antibody character of lamprey, eel and snake anti-H [9] refers only to fishes, reptiles and perhaps amphibia, because sea lamprey, eel and Boa constrictor anti-H [9] are inhibited by L-fucose, the ter minal sugar of the H-antigen, but chicken, mammalian and human anti-H are not inhibited [10].…”