title: Replacement of sulfide by selenide in the [4Fe-4S] clusters of the ferredoxin from Clostridium pasteurianum.
mesh_terms: D001059:Apoproteins; D003013:Clostridium / Q000378:metabolism*; D005288:Ferredoxins / Q000378:metabolism*; D012643:Selenium / Q000494:pharmacology*; D013053:Spectrophotometry
chemical_list: D001059:Apoproteins; D005288:Ferredoxins; D012643:Selenium