>3ugbA (A:) observed residues (from ATOM records) alkrinkelsdlardppaqcsagpvgddmfhwqatimgpndspyqggvffltihfptdyp fkppkvafttriyhpninsngsisldilrsqwspaltiskvllsicsllcdpnpddplvp eiariyktdrdkynrisrewtqkyam