>3pitA (A:) observed residues (from ATOM records)
lptyklvvvgdggvgksaltiqffqkifvpeydptiedsylkhteidnqwaildvldtag
qeefsamreqymrtgdgflivysvtdkasfehvdrfhqlilrvkdresfpmilvankvdl
mhlrkvtrdqgkematkynipyietsakdpplnvdktfhdlvrvirqq