>sp|P57503|CYSJ_BUCAI Sulfite reductase [NADPH] flavoprotein alpha-component OS=Buchnera aphidicola subsp. Acyrthosiphon pisum GN=cysJ MKNQNKFDPVFPLSSEQLNNLKELERTCTNIQSAWLSGYFWKIANQTSNITSFQTNESEK NDPVITIISASQTGNAKLLSKRLYEYFNKNNKISRLIDAMDYKFKKIKDEKILILIISTQ GEGEPPEEALSFYKFIMSKNAPNLNNLYYSVFGLGDTSYNLFCQAGKDFDKRFKELGGNS LLDRFDADIEYEDNYNKWSQDLLQSINSKEKIYKSSVSYIDQENTLILSKNHYTKKNPAE GIILTNQKITGRNSKKDVHHIEIDISNLNIKYSPGDALGVWYKNDSNLVKNILELLSINI SETITIKNDVITIFDALQNHFELTNNTKNIIKSYANFSKNKFLKDIISNDSDLENYTINT PLIKMIHDHPLKLSSQQLIGLLRPLTPRLYSISSSQEEIDNEIHITVGVVKKLISGHVYL GGASGYLSQSLKSDDIIKIFIQTNDNFRLPINKNTPIIMISSGTGIAPFRAFMQQRDNDN ADGKNWLFFGNPNFTEDFLYQVEWQKYIKKGLITNMNLAWSQDQKNKIYVQDRIRENSQE IWSWIEEGAQIYVCGNASKMAKDVEKALLDIISHNAHLNLEESQEFLNNLRLNKRYKRDV Y