>6u5sA (A:) observed residues (from ATOM records)
nsiqigglfprgadqeysafrvgmvqfstsefrltphidnlevansfavtnafcsqfsrg
vyaifgfydkksvntitsfcgtlhvsfitpsfptdgthpfviqmrpdlkgallslieyyq
wdkfaylydsdrglstlqavldsaaekkwqvtainvgninndkkdetyrslfqdlelkke
rrvildcerdkvndivdqvitigkhvkgyhyiianlgftdgdllkiqfgganvsgfqivd
yddslvskfierwstleekeypgahtatikytsaltydavqvmteafrnlrkqrieisrr
gnagdclanpavpwgqgveieralkqvqveglsgnikfdqngkrinytinimelktngpr
kigywsevdkmvvtlt