>sp|P65872|QUED_SHIFL 6-carboxy-5,6,7,8-tetrahydropterin synthase OS=Shigella flexneri GN=queD
MMSTTLFKDFTFEAAHRLPHVPEGHKCGRLHGHSFMVRLEITGEVDPHTGWIIDFAELKA
AFKPTYERLDHHYLNDIPGLENPTSEVLAKWIWDQVKPVVPLLSAVMVKETCTAGCIYRG
E