>4n5zX (X:) observed residues (from ATOM records)
glfgaiagfieggwqgmvdgwygyhhsneqgsgyaadkestqkaidgvtnkvnsiidkmn
tqfeavgrefnnlerrienlnkkmedgfldvwtynaellvlmenertldfhdsnvknlyd
kvrlqlrdnakelgngcfefyhkcdnecmesvrngtydypqyseearlkreeissgr