MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E121_H3K27ac_63_43_0.514_1.339167e-176 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.017831 0.047867 0.837133 0.097169 0.009635 0.913055 0.033005 0.044305 0.230613 0.731609 0.010618 0.02716 0.007322 0.639713 0.052267 0.300698 0.0 0.977828 0.022172 0.0 0.733278 0.024539 0.021739 0.220444 0.006771 0.918534 0.070811 0.003884 0.073918 0.036941 0.800651 0.08849 0.010145 0.88339 0.0589 0.047565 0.100756 0.476053 0.423192 0.0 0.031683 0.112847 0.459552 0.395918 0.0 0.0 0.990512 0.009488