MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Limb_E12.5_H3K27ac_96_58_0.504_0.0001334161 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.05566 0.0 0.837011 0.107329 0.0 0.884552 0.024201 0.091247 0.871447 0.0 0.114935 0.013619 0.025622 0.932546 0.035755 0.006077 0.008817 0.165223 0.720334 0.105626 0.01946 0.095556 0.046546 0.838439 0.015281 0.914901 0.057528 0.01229 0.01921 0.93372 0.009398 0.037672 0.040689 0.035637 0.0188 0.904874 MOTIF Midbrain_E14.5_H3K27ac_84_25_0.512_2.33466e-13 letter-probability matrix: alength= 4 w= 11 nsites= 100 E= 1.0e-1 0.041475 0.0 0.497375 0.461151 0.0 0.997895 0.0 0.002105 0.829574 0.014557 0.040252 0.115617 0.0 0.688791 0.046196 0.265013 0.0 0.450673 0.549327 0.0 0.011832 0.0 0.063675 0.924492 0.015162 0.844202 0.103678 0.036959 0.030072 0.873747 0.080023 0.016158 0.047466 0.046128 0.051003 0.855403 0.010773 0.941048 0.0 0.048179 0.017399 0.080424 0.902177 0.0