>4ygdA (A:) observed residues (from ATOM records)
phrrfeykysfkgphlvqsdgtvpfwahagnaipssdqirvapslksqrgsvwtktkaaf
enwevevtfrvtgrgrigadglaiwyaenqglegpvfgsadlwngvgiffdsfdndgkkn
npaiviignngqihydhqndgasqalascqrdfrnkpypvrakityyqntltvminngft
pdkndyefcakvenmiipaqghfgisaatggladdhdvlsfltfqlt