MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_E14.5_H3K27me3_31_17_0.523_1.37105e-13 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.0 0.0 1.0 0.0 0.05101 0.0 0.325571 0.623419 0.0 0.063384 0.67363 0.262986 0.216477 0.026924 0.022618 0.733982 0.128132 0.776363 0.009917 0.085589 0.011764 0.918176 0.053716 0.016344 0.011003 0.897977 0.017849 0.073171 0.040988 0.021344 0.913326 0.024341 0.167214 0.707251 0.088858 0.036676 0.85205 0.007183 0.069418 0.071349 0.003478 0.037218 0.953318 0.005987 0.038262 0.655753 0.038986 0.266998