>1zgnA (A:) observed residues (from ATOM records)
pytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdlt
lyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvka
lpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayvg
rlsarpklkaflaspeyvnlpingngkq