MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Heart_E12.5_H3K9ac_43_18_0.551_8.895641e-129 letter-probability matrix: alength= 4 w= 13 nsites= 100 E= 1.0e-1 0.0 0.030608 0.969392 0.0 0.0 1.0 0.0 0.0 0.033308 0.063214 0.845714 0.057764 0.014045 0.023102 0.943014 0.019839 0.009088 0.919942 0.043258 0.027713 0.706283 0.070221 0.083527 0.139969 0.004867 0.858407 0.073007 0.063719 0.084581 0.558301 0.332562 0.024556 0.077091 0.824266 0.042252 0.056391 0.11666 0.758403 0.062639 0.062298 0.00519 0.969884 0.020236 0.00469 0.810806 0.055385 0.042913 0.090897 0.048581 0.759972 0.153442 0.038006