2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside SIMPLE_MOLECULE _space_3_minus_Sulfinylpyruvate inside SIMPLE_MOLECULE L_minus_Cysteine inside SIMPLE_MOLECULE _space_3_minus_Sulfopyruvate inside SIMPLE_MOLECULE L_minus_Cysteate inside SIMPLE_MOLECULE L_minus_Cysteine inside SIMPLE_MOLECULE _space_3_minus_Sulfino_minus_L_minus_alanine inside SIMPLE_MOLECULE Mercaptopyruvate inside RNA L_minus_Cysteinyl_minus_tRNA_space_Cys_space_ STATE_TRANSITION L_minus_Cysteate _space_3_minus_Sulfopyruvate c3 c2 STATE_TRANSITION _space_3_minus_Sulfino_minus_L_minus_alanine _space_3_minus_Sulfinylpyruvate c5 c0 STATE_TRANSITION L_minus_Cysteine L_minus_Cysteinyl_minus_tRNA_space_Cys_space_ c4 c7 STATE_TRANSITION Mercaptopyruvate L_minus_Cysteine c6 c1