MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_E16.5_H3K9ac_71_70_0.555_6.611647e-148 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.055473 0.849269 0.065752 0.029507 0.011151 0.0 0.928044 0.060805 0.074687 0.840264 0.085049 0.0 0.048461 0.063376 0.022338 0.865824 0.038284 0.0 0.896201 0.065514 0.401782 0.284624 0.031583 0.282011 0.015604 0.015681 0.968714 0.0 0.008869 0.049924 0.912858 0.02835 0.819816 0.0 0.040806 0.139378