>6n4f_B mol:protein length:182 Hemagglutinin HA2
GLFGAIAGFIENGWEGMVDGWYGFRHQNSEGTGQAADLKSTQAAIDQINGKLNRVIEKTNEKFHQIEKEFSEVEGRIQDLERYVEDTKVDLWSYNAELLVALENQNTIDLTDSEMNKLFEKTRRQLRENAEDMGNGCFKIYHKCDNACIESIRNGTYDHNIYRDEAVNNRFQIKSGRLVPRG