2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside SIMPLE_MOLECULE Nicotinamide inside SIMPLE_MOLECULE NADP_plus_ inside SIMPLE_MOLECULE NAD_plus_ inside SIMPLE_MOLECULE Nicotinate_space_D_minus_ribonucleoside inside SIMPLE_MOLECULE Nicotinate_space_D_minus_ribonucleotide inside SIMPLE_MOLECULE N_minus_Ribosylnicotinamide inside SIMPLE_MOLECULE Nicotinate STATE_TRANSITION Nicotinate_space_D_minus_ribonucleoside Nicotinate_space_D_minus_ribonucleotide c3 c4 STATE_TRANSITION N_minus_Ribosylnicotinamide Nicotinamide c5 c0 STATE_TRANSITION Nicotinate_space_D_minus_ribonucleoside Nicotinate c3 c6 STATE_TRANSITION NADP_plus_ NAD_plus_ c1 c2 STATE_TRANSITION NAD_plus_ NADP_plus_ c2 c1