positions_6nt NA positions_6nt_pssm NA positions_7nt NA positions_7nt_pssm NA oligos_6nt_mkv2 NA oligos_6nt_mkv2_pssm NA positions_6nt NA positions_6nt_pssm NA oligos_7nt_mkv2 NA oligos_7nt_mkv2_pssm NA positions_7nt NA positions_7nt_pssm NA