>1ncfA (A:) observed residues (from ATOM records) mdsvcpqgkyihpqnnsicctkchkgtylyndcpgpgqdtdcrecesgsftasenhlrhc lscskcrkemgqveissctvdrdtvcgcrknqyrhywsenlfqcfncslclngtvhlscq ekqntvctchagfflrenec