>2z0xA (A:) observed residues (from ATOM records)
slspsarrvqgaletrgfghlkvvelpastrtakeaaqavgaevgqivkslvfvgekgay
lflvsgknrldlgkatrlvggplrqatpeevreltgfaiggvppvghntplpayldedll
gypevwaaggtpralfratpkellaltgaqvadlkeg