>1u80A (A:) observed residues (from ATOM records)
vndlkhlnimitagptrepldpvryisdhssgkmgfaiaaaaarrganvtlvsgpvslpt
ppfvkrvdvmtalemeaavnasvqqqnifigcaavadyraatvapekikkeltikmvknp
divagvaalkdhrpyvvgfaaetnnveeyarqkrirknldlicandvsqptqgfnsdnna
lhlfwqdgdkvlplerkellgqllldeivtrydeknr