>4gxxF (F:) observed residues (from ATOM records)
glfgaiagfieggwtgmidgwygyhhqneqgsgyaadqkstqnaidgitnkvnsviekmn
tqftavgkefnnlerrienlnkkvddgfldiwtynaellvllenertldfhdsnvrnlye
kvksqlknnakeigngcfefyhkcddacmesvrngtydypkyseesklnre