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