>6n4f_D mol:protein length:182 Hemagglutinin HA2
GLFGAIAGFIENGWEGMVDGWYGFRHQNSEGTGQAADLKSTQAAIDQINGKLNRVIEKTNEKFHQIEKEFSEVEGRIQDLERYVEDTKVDLWSYNAELLVALENQNTIDLTDSEMNKLFEKTRRQLRENAEDMGNGCFKIYHKCDNACIESIRNGTYDHNIYRDEAVNNRFQIKSGRLVPRG