>3kkqA (A:) observed residues (from ATOM records)
enlptyklvvvgdggvgksaltiqffqkifvddydptiedsylkhteidnqwaildvldt
agqeefsamreqymrtgdgflivysvtdkasfehvdrfhqlilrvkdresfpmilvankv
dlmhlrkvtrdqgkematkynipyietsakdpplnvdktfhdlvrvirqq