ganglioside GM1/1b(1-)
ganglioside gm1/1b(1-)
An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of any member of the GM1/1b family of gangliosides; major species at pH 7.3. GM1/1b ganglioside head groups include 4 neutral sugar groups and 1 sialic acid group.