>4iuaE (E:) observed residues (from ATOM records) rntlhefkksakttltkedpllkiktkkvnsadecanrcirnrgftftckafvfdksrkr cywypfnsmssgvkkgfghefdlyenkdyirnciigkggsykgtvsitksgikcqpwnsm iphehsflpssyrgkdlqenycrnprgeeggpwcftsnpevryevcdipqcsevecmtan gesyrgpmdhtesgktcqrwdqqtphrhkflperypdkgfddnycrnpdgkprpwcytld pdtpweycaiktca