>5br3_B mol:protein length:171 HEMAGGLUTININ HA2 CHAIN
GIFGAIAGFIEGGWTGMIDGWYGYHHENSQGSGYAADRESTQKAIDGITNKVNSIINKMNTQFEAVDHEFSNLERRIGNLNKRMEDGFLDVWTYNAELLVLLENERTLDLHDANVKNLYEKVKSQLRDNANDLGNGCFEFWHKCDNECMESVKNGTYDYPKYQKESKLNRQ