>1du7A (A:) observed residues (from ATOM records)
srlnresvidaalellnetgidglttrklaqklgieqptlywhvknkralldalaveila
rhhdyslpaageswqsflrnnamsfrrallryrdgakvhlgtrpdekqydtvetqlrfmt
engfslrdglyaisavshftlgavleqqehtadenlppllrealqimdsddgeqaflhgl
eslirgfevqltallqiv