>3cynB (B:) observed residues (from ATOM records)
nlyfqsminsfyafevkdakgrtvslekykgkvslvvnvasdcqltdrnylglkelhkef
gpshfsvlafpcnqfgeseprpskevesfarknygvtfpifhkikilgsegepafrflvd
sskkeprwnfwkylvnpegqvvkfwrpeepievirpdiaalvrqviikkkedl