>2c4oA (A:) observed residues (from ATOM records) rgsmalkrihkelndlardppaqcsagpvgddmfhwqatimgpndspyqggvffltihfp tdypfkppkvafttriyhpninsngsicldilrsqwspaltiskvllsicsllcdpnpdd plvpeiariyktdrekynriarewtqkyam