>6n4f_H mol:protein length:182 Hemagglutinin HA2
GLFGAIAGFIENGWEGMVDGWYGFRHQNSEGTGQAADLKSTQAAIDQINGKLNRVIEKTNEKFHQIEKEFSEVEGRIQDLERYVEDTKVDLWSYNAELLVALENQNTIDLTDSEMNKLFEKTRRQLRENAEDMGNGCFKIYHKCDNACIESIRNGTYDHNIYRDEAVNNRFQIKSGRLVPRG