>sp|B4TFY4|CYSI_SALHS Sulfite reductase [NADPH] hemoprotein beta-component OS=Salmonella heidelberg GN=cysI MSEKHPGPLVVEGKLSDAERMKLESNYLRGTIAEDLNDGLTGGFKGDNFLLIRFHGMYQQ DDRDIRAERAAQKLEPRHAMLLRCRLPGGVITTTQWQAIDKFAADNTIYGSIRLTNRQTF QFHGILKKNVKPVHQMLHSVGLDALATANDMNRNVLCTSNPYESQLHAEAYEWAKKISEH LLPRTRAYAEIWLDQEKVATTDEEPILGQTYLPRKFKTTVVIPPQNDIDLHANDMNFVAI AENGKLVGFNLLVGGGLSIEHGNKKTYARTASEFGYLPLEHTLAVAEAVVTTQRDWGNRT DRKNAKTKYTLERVGLETFKAEVERRAGIKFEPIRPYEFTGRGDRIGWVKGIDNNWHLTL FIENGRILDYPGRPLKTGLLEIAKIHQGEFRITANQNLIIASVPESQKAKIETLARDHGL MNAVSAQRENSMACVSFPTCPLAMAEAERFLPSFTDKVEAILEKHGIPDEHIVMRVTGCP NGCGRAMLAEIGLVGKAPGRYNLHLGGNRIGTRIPRMYKENITEPDILASLGELIGRWAK EREAGEGFGDFTVRAGIIRPVLDPARDFWE