>3tbfG (G:) observed residues (from ATOM records)
skdgykhymlkeiyeqpeavsntilasladgeisldsfdkrakelfektkhicivacgts
ynagmtakywiekyakvpcsveiaseiryrdnvvvdgslfvsisqsgetadtleslrksk
kqnyvgsmcicnvpnsslvresdiafmtkagveigvastkafttqlvalaiftlviaklk
nsltdqqiakyteelkniralvmgalkldteidqiseyfsdkehtiflgrglyypiaieg
alklkeisyihaeaypsgelkhgplalvdknmpivavvpndelldktlsnlqevharggk
lilfvdkavkervnfdnsivleldaghdfsapvvftiplqllsyhvaiikgtdvdqp