>sp|Q46244|ANFG_CLOPA Nitrogenase iron-iron protein delta chain OS=Clostridium pasteurianum GN=anfG MEDPSKVQLNQLTDYIMKNCLWQFHSRKWDRERQNEGILTKTKQILLGEEVDLSTPADRC YYADALCLADAYKTEYPWINDMSKDELIQLMQQLKDRIDYVTITGSLNAELTDPRY