>2c4oD (D:) observed residues (from ATOM records) rgsmalkrihkelndlardppaqcsagpvgddmfhwqatimgpndspyqggvffltihfp tdypfkppkvafttriyhpninsngsicldilrsqwspaltiskvllsicsllcdpnpdd plvpeiariyktdrekynriarewtqkyam