>6fytB (B:) observed residues (from ATOM records)
glfgaiagfieggwtgmvdgwygyhhqneqgsgyaadqkstqnaingitnkvnsviekmn
tqftavgkefnklerrmenlnkkvddgfidiwtynaellvllenertldfhdsnvknlye
kvksqlknnakeigngcfefyhkcndecmesvkngtydypkyseesklnreki