2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside PROTEIN p4 inside PROTEIN p5 inside SIMPLE_MOLECULE _space_4_minus_Aminobutanoate inside SIMPLE_MOLECULE _space_5_space__minus_Methylthioadenosine inside SIMPLE_MOLECULE L_minus_Ornithine inside SIMPLE_MOLECULE Adenine inside SIMPLE_MOLECULE Carbamoyl_space_phosphate inside SIMPLE_MOLECULE L_minus_Arginine inside SIMPLE_MOLECULE L_minus_Citrulline inside SIMPLE_MOLECULE Homocarnosine inside SIMPLE_MOLECULE L_minus_Proline inside RNA L_minus_Arginyl_minus_tRNA_space_Arg_space_ inside RNA L_minus_Prolyl_minus_tRNA_space_Pro_space_ STATE_TRANSITION Homocarnosine _space_4_minus_Aminobutanoate c7 c0 STATE_TRANSITION L_minus_Proline L_minus_Prolyl_minus_tRNA_space_Pro_space_ c8 c10 STATE_TRANSITION L_minus_Arginine L_minus_Citrulline c5 c6 STATE_TRANSITION L_minus_Arginine L_minus_Arginyl_minus_tRNA_space_Arg_space_ c5 c9 STATE_TRANSITION Carbamoyl_space_phosphate L_minus_Citrulline c4 c2 c6 STATE_TRANSITION _space_5_space__minus_Methylthioadenosine Adenine c1 c3