>4intD (D:) observed residues (from ATOM records) drgvstfspegrlfqveysleaiklgstaigiatkegvvlgvekratspllesdsiekiv eidrhigcamsgltadarsmiehartaavthnlyydedinvesltqsvcdlalrfgegas geerlmsrpfgvalliaghdaddgyqlfhaepsgtfyrynakaigsgsegaqaellnewh ssltlkeaellvlkilkqvmeekldennaqlscitkqdgfkiydnektaelikelkekea ae