>4n5yF (F:) observed residues (from ATOM records) glfgaiagfieggwqgmvdgwygyhhsneqgsgyaadkestqkaidgvtnkvnsiidkmn tqfeavgrefnnlerrienlnkkmedgfldvwtynaellvlmenertldfhdsnvknlyd kvrlqlrdnakelgngcfefyhkcdnecmesvrngtydypqyseearlkreeissgr