>1s7fA (A:) observed residues (from ATOM records) glvprgshmveiipvsttlelraadeshvpalhqlvlknkawlqqsldwptsqeetrkhv qgnillhqrgyakmylifcqnemagvlsfnaiepinkaayigywldesfqgqgimsqslq almthyarrgdirrfvikcrvdnqasnavarrnhftlegcmkqaeylngdyhdvnmyari i