1 0CS 3-[(S)-hydroperoxysulfinyl]-L-alanine 1.000 2 2CO S-hydroperoxycysteine 0.900 3 CSO S-hydroxycysteine 0.800 4 CSX S-oxy cysteine 0.800 5 CSD 3-sulfinoalanine 0.727 6 VI3 (2~{R})-2-azanyl-3-[bis(oxidanylidene)-$L^{5}-sulfanyl]propanoic acid 0.727 7 BB9 (2z)-2-amino-3-sulfanylprop-2-enoic acid 0.700 8 CYS Cysteine 0.700 9 DCY D-cysteine 0.700