>4z2oA (A:) observed residues (from ATOM records)
spdmkllagasnwvnqsgsvaqfvftpsptqpqtyevsgnyinnaqgtgckgtpyplsga
yysgnqiisfsvvwsnasancqsatgwtgyfdfsgsqavlktdwnlafysgstpaiqqgq
ddfmqsv