2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside PROTEIN p4 inside PROTEIN p5 inside PROTEIN p6 inside PROTEIN p7 inside PROTEIN p8 inside PROTEIN p9 inside PROTEIN p10 inside PROTEIN p11 inside SIMPLE_MOLECULE _space_4_minus_Imidazolone_minus_5_minus_propanoate inside SIMPLE_MOLECULE Urocanate inside SIMPLE_MOLECULE N_minus__space_5_space__minus_Phospho_minus_D_minus_1_space__minus_ribulosylformimino_space__minus_5_minus_amino_minus_1_minus__space_5_space__space__minus_phospho_minus_D_minus_ribosyl_space__minus_4_minus_imidazolecarboxamide inside RNA L_minus_Histidyl_minus_tRNA_space_His_space_ inside SIMPLE_MOLECULE Hydantoin_minus_5_minus_propionate inside SIMPLE_MOLECULE L_minus_Glutamate inside SIMPLE_MOLECULE _space_3_minus_Methylimidazole_space_acetaldehyde inside SIMPLE_MOLECULE L_minus_Histidinol_space_phosphate inside SIMPLE_MOLECULE N_space_pai_space__minus_Methyl_minus_L_minus_histidine inside SIMPLE_MOLECULE L_minus_Histidine inside SIMPLE_MOLECULE N_minus_Methylhistamine inside SIMPLE_MOLECULE _space_1_minus__space_5_space__minus_Phosphoribosyl_space__minus_5_minus_amino_minus_4_minus_imidazolecarboxamide inside SIMPLE_MOLECULE Imidazole_minus_4_minus_acetaldehyde inside SIMPLE_MOLECULE _space_3_minus__space_Imidazol_minus_4_minus_yl_space__minus_2_minus_oxopropyl_space_phosphate inside SIMPLE_MOLECULE _space_1H_minus_Imidazole_minus_4_minus_ethanamine inside SIMPLE_MOLECULE N_minus_Formimino_minus_L_minus_glutamate inside SIMPLE_MOLECULE Imidazole_minus_4_minus_acetate inside SIMPLE_MOLECULE _space_4_minus__space__beta__minus_Acetylaminoethyl_space_imidazole STATE_TRANSITION L_minus_Histidine N_space_pai_space__minus_Methyl_minus_L_minus_histidine c9 c8 STATE_TRANSITION L_minus_Histidine Urocanate c9 c1 STATE_TRANSITION L_minus_Histidinol_space_phosphate _space_3_minus__space_Imidazol_minus_4_minus_yl_space__minus_2_minus_oxopropyl_space_phosphate c7 c13 STATE_TRANSITION L_minus_Histidine L_minus_Histidyl_minus_tRNA_space_His_space_ c9 c3 STATE_TRANSITION Imidazole_minus_4_minus_acetaldehyde Imidazole_minus_4_minus_acetate c12 c16 STATE_TRANSITION N_minus__space_5_space__minus_Phospho_minus_D_minus_1_space__minus_ribulosylformimino_space__minus_5_minus_amino_minus_1_minus__space_5_space__space__minus_phospho_minus_D_minus_ribosyl_space__minus_4_minus_imidazolecarboxamide _space_1_minus__space_5_space__minus_Phosphoribosyl_space__minus_5_minus_amino_minus_4_minus_imidazolecarboxamide c2 c11 STATE_TRANSITION N_minus_Formimino_minus_L_minus_glutamate L_minus_Glutamate c15 c5 STATE_TRANSITION N_minus_Methylhistamine _space_3_minus_Methylimidazole_space_acetaldehyde c10 c6 STATE_TRANSITION _space_4_minus_Imidazolone_minus_5_minus_propanoate Hydantoin_minus_5_minus_propionate c0 c4 STATE_TRANSITION _space_4_minus_Imidazolone_minus_5_minus_propanoate N_minus_Formimino_minus_L_minus_glutamate c0 c15 STATE_TRANSITION _space_1H_minus_Imidazole_minus_4_minus_ethanamine _space_4_minus__space__beta__minus_Acetylaminoethyl_space_imidazole c14 c17 STATE_TRANSITION Urocanate _space_4_minus_Imidazolone_minus_5_minus_propanoate c1 c0