>1s7lA (A:) observed residues (from ATOM records)
eiipvsttlelraadeshvpalhqlvlknkawlqqsldwpqyvtsqeetrkhvqgnillh
qrgyakmylifcqnemagvlsfnaiepinkaayigywldesfqgqgimsqslqalmthya
rrgdirrfvikcrvdnqasnavarrnhftlegcmkqaeylngdyhdvnmyariidad