>4zxgA (A:) observed residues (from ATOM records) dnivlyyfdargkaelirlifaylgieytdkrfgvngdafvefknfkkekdtpfeqvpil qigdlilaqsqaivrylskkynicgeselnefyadmifcgvqdihykfnntnlfkqnett flnedlpkwsgyfekllkknhtnnnkyyfvgnnltyadlavfnlyddietkypslknfpl lkahnefisnlpniknyitnrk