>3gusB (B:) observed residues (from ATOM records)
pytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdlt
lyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvka
lpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayvg
rlsarpklkaflaspeyvnlpingngkq