>5b15A (A:) observed residues (from ATOM records)
rdwsspqqpftiygnthyvgtggisavllsspqghilvdgttekgaqvvaaniramgfkl
sdvkyilsthshedhaggisamqkltgatvlagaanvdtlrtgvspksdpqfgslsnfpg
sakvravadgelvklgplavkahatpghteggitwtwqsceqgkckdvvfadsltavsad
syrfsdhpevvaslrgsfeaveklscdiaiaahpevndmwtrqqraakegnsayvdngac
raiaaagrkrletrlasek