>4yb7E (E:) observed residues (from ATOM records)
trlriaiqksgrlskesiellsecgvkmhiheqsliafstnlpidilrvrdddipglifd
gvvdlgiigenvleenelerqslgenpsykllkkldfgycrlslalpqenkfqnlkdfeg
lriatsypqllkrfmkenginyknctltgsvevapranladaicdlvssgatlqannlke
vkviyesracliqkenalskekqalvdkimlrvagvmqareskyimlhapkekldkiqal
lpgverptilplahdeknvalhmvskenlfwetmealkeegassilvlpiekmlk