MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Forebrain_E16.5_H3K27ac_80_133_0.514_3.251283e-15 letter-probability matrix: alength= 4 w= 10 nsites= 100 E= 1.0e-1 0.388841 0.198106 0.0 0.413052 0.014797 0.0 0.957564 0.027639 0.009312 0.869472 0.034134 0.087082 0.098785 0.831104 0.055659 0.014452 0.191321 0.060678 0.043667 0.704334 0.000636 0.521016 0.209248 0.2691 0.057425 0.019957 0.039773 0.882845 0.030218 0.088947 0.051299 0.829536 0.020053 0.947921 0.0 0.032026 0.0 0.880026 0.0 0.119974 MOTIF Hindbrain_E12.5_H3K27ac_63_57_0.519_1.497459e-15 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.275419 0.289077 0.217202 0.218302 0.048161 0.073176 0.801024 0.077638 0.019582 0.932004 0.023908 0.024507 0.100971 0.595064 0.297047 0.006918 0.183715 0.048006 0.072279 0.696 0.000772 0.824696 0.02986 0.144671 0.026769 0.048268 0.01833 0.906632 0.02491 0.06644 0.026266 0.882384 0.007229 0.820136 0.0 0.172636 0.0 0.965557 0.00978 0.024662 0.0 0.287961 0.712039 0.0 0.0 0.0 0.0 1.0 MOTIF Midbrain_E15.5_H3K27ac_56_45_0.529_4.652365e-34 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.109343 0.745776 0.109464 0.035416 0.022342 0.014654 0.963004 0.0 0.005717 0.0 0.994283 0.0 0.719326 0.043608 0.11656 0.120506 0.88517 0.016402 0.080703 0.017725 0.020662 0.023146 0.954285 0.001907 0.843203 0.064648 0.056914 0.035235 0.016751 0.558609 0.387083 0.037557 0.205741 0.010356 0.755408 0.028495 0.019952 0.942246 0.028432 0.00937 0.027827 0.039571 0.04665 0.885952 0.0 0.0 1.0 0.0