>2xlbF (F:) observed residues (from ATOM records)
mqlfdlsleelkkykpkktarpdfadfwkksleelrqveaeptlesydypvkgvkvyrlt
yqsfghskiegfyavpdqtgphpalvrfhgynasyddgihdivnwalhgyatfgmlvrgq
ggsedtsvtpgghalgwmtkgilskdtyyyrgvyldavraleviqsfpevdehrigvigg
sqggalaiaaaalsdipkvvvadypylsnferavdvaleqpyleinsyfrrnsdpeveek
afetlsyfdlinlagwvkqptlmaiglidqvtppstvfaaynhletdkelkvyryfghef
ipafqteklsflqkhll