>3fvtD (D:) observed residues (from ATOM records)
qlfdlsleelkkykpkktarpdfsdfwkksleelrqveaeptlesydypvkgvkvyrlty
qsfghskiegfyavpdqtgphpalvrfhgynasydggihdivnwalhgyatfgmlvrgqg
gsedtsvtpgghalgwmtkgilskdtyyyrgvyldavraleviqsfpevdehrigviggs
qggalaiaaaalsdipkvvvadypylsnferavdvaleqpyleinsyfrrnsdpkveeka
fetlsyfdlinlagwvkqptlmaiglidkitppstvfaaynhletdkdlkvyryfghefi
pafqteklsflqkhlll