MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Forebrain_E13.5_H3K27ac_102_62_0.502_1.397694e-06 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.098151 0.189112 0.712737 0.0 1.0 0.0 0.0 0.0 0.0148 0.0 0.9852 0.0 0.0 0.097874 0.0 0.902126 0.026571 0.00666 0.966769 0.0 0.02725 0.05031 0.867826 0.054614 0.023326 0.068722 0.907952 0.0 0.0 0.555802 0.209266 0.234932 0.031042 0.03562 0.874123 0.059216 MOTIF Midbrain_E14.5_H3K27ac_99_47_0.507_2.073209e-16 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.766649 0.145408 0.0 0.087943 0.025805 0.0338 0.940395 0.0 0.0 0.124972 0.0 0.875028 0.020994 0.004171 0.974835 0.0 0.009452 0.085238 0.88138 0.023931 0.009466 0.054413 0.936121 0.0 0.053537 0.539484 0.216826 0.190153 0.026861 0.027909 0.899208 0.046022 0.008833 0.020261 0.903222 0.067684