MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_E13.5_H3K27me3_56_139_0.505_1.781535e-09 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.089307 0.0 0.710836 0.199857 0.051585 0.903451 0.027279 0.017685 0.882411 0.00581 0.048531 0.063248 0.0 0.016335 0.983665 0.0 0.950771 0.019615 0.029614 0.0 0.018707 0.026947 0.94518 0.009166 0.869698 0.051217 0.074049 0.005036 0.254444 0.240182 0.330015 0.175359 0.034457 0.882729 0.071712 0.011102 MOTIF Neural-Tube_E13.5_H3K27ac_56_59_0.522_2.806536e-31 letter-probability matrix: alength= 4 w= 11 nsites= 100 E= 1.0e-1 0.513967 0.162972 0.0 0.323061 0.01843 0.0 0.914089 0.067481 0.052794 0.788653 0.111266 0.047287 0.47516 0.025431 0.491144 0.008265 0.006104 0.004604 0.986354 0.002938 0.952761 0.0 0.047239 0.0 0.049139 0.0 0.944209 0.006652 0.928673 0.020607 0.046807 0.003913 0.720929 0.05155 0.11321 0.11431 0.0 0.885032 0.071447 0.043521 0.0 0.0 1.0 0.0 MOTIF Intestine_E15.5_H3K4me1_64_146_0.514_4.145621e-42 letter-probability matrix: alength= 4 w= 11 nsites= 100 E= 1.0e-1 0.009365 0.969579 0.021056 0.0 0.717047 0.005946 0.009726 0.267282 0.021311 0.028531 0.950158 0.0 0.056752 0.543995 0.381221 0.018031 0.687881 0.09668 0.147502 0.067938 0.04539 0.019238 0.932734 0.002637 0.914237 0.011346 0.013988 0.060429 0.055677 0.015271 0.91151 0.017542 0.893527 0.058336 0.0 0.048137 0.443786 0.023337 0.379585 0.153292 0.006321 0.929997 0.063682 0.0