tris-L-cysteinyl L-N1'-histidino tetrairon tetrasulfide 2- 347.589996337890625 347.59783935546875 793.684326171875 794.1500244140625 A protein modification that effectively converts three L-cysteine residues, an L-histidine residue and a four-iron four-sulfur cluster to tris-L-cysteinyl L-N1'-histidino tetrairon tetrasulfide. C 0 Fe 4 H -4 N 0 O 0 S 4 C 15 Fe 4 H 18 N 6 O 4 S 7 C, C, C, H Cross-link 4. METAL Iron-sulfur (4Fe-4S) METAL Iron-sulfur (4Fe-4S); via tele nitrogen MOD:00289 PSI-MOD natural tetra-mu3-sulfidotris(S-cysteinyliron)(N1'-histidinoiron) tris-L-cysteinyl L-N1'-histidino tetrairon tetrasulfide iron-sulfur cluster containing modification metal or metal cluster coordinated L-cysteine residue metal or metal cluster coordinated L-histidine residue