molecular species possessing the antigen are identified as neutral glycolipids that contain the x-determinant trisaccharide : ( formula ; see text ) this glycoconjugate is expressed in embryonic brains of many mammalian species ( mouse , rat , rabbit , calf , and human ) and may be a cell-surface component important in normal development of the central nervous system .
C0017950
glycolipids
C0017906
glycoconjugate