>6nhrB (B:) observed residues (from ATOM records)
glfgaiagfiengwegmidgwygfrhqnsegtgqaadlkstqaafdqingklnrviektn
ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemnklfe
ktgrqlrenaedmgngcfkiyhkcdnaciesirngtydhdvyrdealnnrfq