>4ry1B (B:) observed residues (from ATOM records)
maeiriswwggnqrheatlaainafqkanptitvkaeyagwdgylsrlstqiaggqepdv
mridwnwlpqfsrngdgfydlnkqkdilglgdfppnalktadvkgklqglpismtsrsmi
ynkttwdnagvaypktwdelfaagpvfkqklgdsyyplgvaqgasdvldiltlgrsymaq
kygidmidekkqsiaysrdqvrelfgfykklvdshvipdqryfssfgrtnvyeirpwing
elagmylwdsaiytyssnmpkdavletgpfitipgakdsgltskpsslfaisknskhpke
aamlmnfmlsnpegvkalglqngmpanpkaqklledigvinpgnllanayraaaaqpesk
vavspfmenqelvqlwttslqkldygngevnkvaddflsganrilkrair