>2wnuA (A:) observed residues (from ATOM records) qprpafsairrnppmggnvvifdtvitnqeepyqnhsgrfvctvpgyyyftfqvlsqwei clsivsssrgqvrrslgfcdttnkglfqvvsggmvlqlqqgdqvwvekdpkkghiyqgse adsvfsgflifps