>4xkeF (F:) observed residues (from ATOM records)
gifgaiagfieggwtgmidgwygyhhensqgsgyaadrestqkaidgitnkvnsiinkmn
tqfeavdhefsnlerrignlnkrmedgfldvwtynaellvllenertldlhdanvknlye
kvksqlrdnandlgngcfefwhkcdnecmesvkngtydypkyqkesklnrqg