>1s7nB (B:) observed residues (from ATOM records)
mveiipvsttlelraadeshvpalhqlvlknkawlqqsldwpqyvtsqeetrkhvqgnil
lhqrgyakmylifcqnemagvlsfnaiepinkaayigywldesfqgqgimsqslqalmth
yarrgdirrfvikcrvdnqasnavarrnhftlegcmkqaeylngdyhdvnmyariidad