>fdnG 
taccgctattgaggta
>napF
taccccgatcggggta
>nirB
tacccattaaggagta
>nrfA
taactctaaagtggta
>fdnG reverse complement
tacctcaatagcggta
>napF reverse complement
taccccgatcggggta
>nirB reverse complement
tactccttaatgggta
>nrfA reverse complement
taccactttagagtta