Abstract
A new type agglutinin was separated from eggs of Rana nigromaculata nigromaculata HALLOWELL. This agglutinin was named "Egg agglutinin". This agglutinin has a property of basic protein and ability to agglutinate AH-109A cells, but this agglutination can be inhibited specifically by Gangioside and Globoside-1 isolated from human red blood cells of Type A. This agglutination reaction was not interfered after the digestion of AH-109A cells with neuraminidase, but was completely inhibited after trypsin treatment.
