>5xrsD (D:) observed residues (from ATOM records)
gifgaiagfiengwegmvdgwygfrhqnsegtgqaadlkstqaainqitgklnrvikktn
ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemsklfe
rtrrqlrenaedmgngcfkiyhkcdnacigsirngtydhdiyrnealnnrfq