>1pgtB (B:) observed residues (from ATOM records)
ppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdl
tlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyvsliytnyeagkddyvk
alpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayv
grlsarpklkaflaspeyvnlpingngkq