>3fr3B (B:) observed residues (from ATOM records) nivlyyfdargkaelirlifaylgieytdkrfgvngdafvefknfkkekdtpfeqvpilq igdlilaqsqaivrylskkynicgeselnefyadmifcgvqdihykfnntaanettflne dlpkwsgyfekllkknhtnnkyyfvgnnltyadlavfnlyddietkypsslknfpllkah nefisnlpniknyitnrk