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_H3K27ac_103_93_0.504_0.0001763303 letter-probability matrix: alength= 4 w= 11 nsites= 100 E= 1.0e-1 0.073627 0.711642 0.166379 0.048352 0.145246 0.042213 0.031215 0.781326 0.020588 0.787817 0.024175 0.16742 0.006732 0.955996 0.009421 0.027851 0.002994 0.137564 0.074816 0.784626 0.015068 0.909059 0.064404 0.011468 0.0 0.954956 0.035347 0.009698 0.626045 0.026268 0.276663 0.071024 0.029037 0.032175 0.885736 0.053052 0.075687 0.013019 0.911294 0.0 0.927892 0.0 0.0 0.072108 MOTIF Midbrain_E13.5_H3K27me3_20_72_0.513_3.797829e-12 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.0 0.0 0.0 1.0 0.0 0.786905 0.124752 0.088343 0.0 0.970162 0.016316 0.013522 0.118136 0.182812 0.062884 0.636168 0.064901 0.849862 0.005014 0.080223 0.01784 0.92589 0.030034 0.026237 0.569918 0.01989 0.347249 0.062943 0.015924 0.018385 0.943047 0.022644 0.101458 0.0 0.898542 0.0 0.852423 0.010816 0.066825 0.069937 0.759851 0.041352 0.180583 0.018214 0.028909 0.038633 0.928238 0.00422