iron-sulfur cluster containing modification bis-L-cysteinyl bisglutathion-S-yl diiron disulfide 785.9503173828125 786.45001220703125 991.96868896484375 992.739990234375 C, C mitochondrial glutaredoxin 2 dimer iron-sulfur cluster C 20 H 30 N 6 O 12 S 4 Fe 2 C 26 H 40 N 8 O 14 S 6 Fe 2 natural plant glutaredoxin C1 dimer iron-sulfur cluster MOD:01958 bis-L-cysteinyl bisglutathion-S-yl diiron disulfide di-mu-sulfido-bis(cysteinato)-1kappaS,2kappaS-bis(glutathionato)-1kappaS,2kappaS-diiron Cross-link 2. PSI-MOD none A protein modification that effectively converts four L-cysteine residues and a two-iron two-sulfur cluster to bis-L-cysteinyl bisglutathion-S-yl diiron disulfide. metal or metal cluster coordinated L-cysteine residue