>1xy3E (E:) observed residues (from ATOM records)
savkaarygkdnvrvykvhkdektgvqtvyemtvcvllegeietsytkadnsvivatdsi
kntiyitakqnpvtppelfgsilgthfiekynhihaahvnivchrwtrmdidgkphphsf
irdseekrnvqvdvvegkgidiksslsgltvlkstnsqfwgflrdeyttlketwdrilst
dvdatwqwknfsglqevrshvpkfdatwatarevtlktfaednsasvqatmykmaeqila
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