>1z9uA (A:) observed residues (from ATOM records)
eiipvsttlelraadeshvpalhqlvlknkawlqqsldqytsqeetrkhvqgnillhqrg
yakmylifcqnemagvlsfnaiepinkaayigywldesfqgqgimsqslqalmthyarrg
dirrfvikcrvdnqasnavarrnhftlegcmkqaeylngdyhdvnmyariid