>1ywqA (A:) observed residues (from ATOM records)
satttnlkeaivnrrsirkvtkndaitkerieevlktalhaptsfnmqsgrmvvlmdgeh
ekfwdivketlrarvpaenfeatverlkgfhagvgtvlffedqatvekmqenaplykdqf
pfwshqgnamlqhtvwmllsaegigaslqhynpivdaevketwnipaewslvgqmpfgep
neqpaertflptedvvkfy