cd ~/Escriptori/Treballbioinfo/Vipera/Red_proteins/allseqsred/

samples="DI1 Px GPx3 SelH SelK SelN SelP2 SelS SelU1 SPS TR3
DI2 GPx2 Sel15 SelI SelM SelP1 SelR1 SelT SelW TR"

for sample in $samples
do
sed 's/U/X/g' $sample > ~/Escriptori/Treballbioinfo/Vipera/Red_proteins/allseq/$sample.
done


