>6edrB (B:) observed residues (from ATOM records)
srwrqqwsgpgttkrfpetvlarcvkyteihpemrhvdcqsvwdafkgafiskhpcdite
edyqplmklgtqtvpcnkillwsrikdlahqftqvqrdmftledtllgyladdltwcgef
atskinyqscpdwrkdcsnnpvsvfwktvsrrfaeaacdvvhvmldgsrskifdkdstfg
svevhnlqpekvqtleawvihgdsrdlcqdptikelesiiskrniqfsckniyrpdkflq
cvknpe