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 PROTEIN p12 inside PROTEIN p13 inside PROTEIN p14 inside SIMPLE_MOLECULE _space_4_minus_Imidazolone_minus_5_minus_propanoate inside SIMPLE_MOLECULE Urocanate 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 N_space_pai_space__minus_Methyl_minus_L_minus_histidine inside SIMPLE_MOLECULE N_minus_Formyl_minus_L_minus_aspartate inside SIMPLE_MOLECULE L_minus_Histidine inside SIMPLE_MOLECULE _space_3_minus_Methylimidazoleacetic_space_acid inside SIMPLE_MOLECULE N_minus_Methylhistamine inside SIMPLE_MOLECULE Imidazole_minus_4_minus_acetaldehyde inside SIMPLE_MOLECULE Carnosine inside SIMPLE_MOLECULE _space_1H_minus_Imidazole_minus_4_minus_ethanamine inside SIMPLE_MOLECULE N_minus_Formimino_minus_L_minus_glutamate inside SIMPLE_MOLECULE L_minus_Aspartate inside SIMPLE_MOLECULE Imidazole_minus_4_minus_acetate inside SIMPLE_MOLECULE _space_4_minus__space__beta__minus_Acetylaminoethyl_space_imidazole STATE_TRANSITION _space_1H_minus_Imidazole_minus_4_minus_ethanamine N_minus_Methylhistamine c13 c10 STATE_TRANSITION L_minus_Histidine N_space_pai_space__minus_Methyl_minus_L_minus_histidine c8 c6 STATE_TRANSITION L_minus_Histidine _space_1H_minus_Imidazole_minus_4_minus_ethanamine c8 c13 STATE_TRANSITION L_minus_Histidine Urocanate c8 c1 STATE_TRANSITION L_minus_Histidine L_minus_Histidyl_minus_tRNA_space_His_space_ c8 c2 STATE_TRANSITION Imidazole_minus_4_minus_acetaldehyde Imidazole_minus_4_minus_acetate c11 c16 STATE_TRANSITION _space_3_minus_Methylimidazole_space_acetaldehyde _space_3_minus_Methylimidazoleacetic_space_acid c5 c9 STATE_TRANSITION N_minus_Methylhistamine _space_3_minus_Methylimidazole_space_acetaldehyde c10 c5 STATE_TRANSITION _space_4_minus_Imidazolone_minus_5_minus_propanoate Hydantoin_minus_5_minus_propionate c0 c3 STATE_TRANSITION _space_1H_minus_Imidazole_minus_4_minus_ethanamine Imidazole_minus_4_minus_acetaldehyde c13 c11 STATE_TRANSITION L_minus_Glutamate N_minus_Formimino_minus_L_minus_glutamate c4 c14 STATE_TRANSITION _space_1H_minus_Imidazole_minus_4_minus_ethanamine _space_4_minus__space__beta__minus_Acetylaminoethyl_space_imidazole c13 c17 STATE_TRANSITION Carnosine L_minus_Histidine c12 c8 STATE_TRANSITION N_minus_Formyl_minus_L_minus_aspartate L_minus_Aspartate c7 c15