2.2 SQUARE inside PROTEIN p0 inside SIMPLE_MOLECULE _beta__minus_D_minus_Galactosyl_minus_1_space_4_minus__beta__minus_D_minus_glucosylceramide inside SIMPLE_MOLECULE Digalactosylceramide inside SIMPLE_MOLECULE Galactosylceramide inside SIMPLE_MOLECULE Glucosylceramide STATE_TRANSITION Glucosylceramide _beta__minus_D_minus_Galactosyl_minus_1_space_4_minus__beta__minus_D_minus_glucosylceramide c3 c0 STATE_TRANSITION Galactosylceramide Digalactosylceramide c2 c1