2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside SIMPLE_MOLECULE N_minus_Acylsphingosine inside SIMPLE_MOLECULE Sphinganine inside SIMPLE_MOLECULE _beta__minus_D_minus_Galactosyl_minus_1_space_4_minus__beta__minus_D_minus_glucosylceramide inside SIMPLE_MOLECULE Sphingosine inside SIMPLE_MOLECULE Digalactosylceramide inside SIMPLE_MOLECULE Galactosylceramide inside SIMPLE_MOLECULE Glucosylceramide STATE_TRANSITION Glucosylceramide N_minus_Acylsphingosine c6 c0 STATE_TRANSITION Sphinganine Sphingosine c1 c3 STATE_TRANSITION Digalactosylceramide Galactosylceramide c4 c5 STATE_TRANSITION _beta__minus_D_minus_Galactosyl_minus_1_space_4_minus__beta__minus_D_minus_glucosylceramide Glucosylceramide c2 c6 STATE_TRANSITION Galactosylceramide N_minus_Acylsphingosine c5 c0