MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Cranio-Facial_E12.5_H3K27ac_9_171_0.553_2.232113e-168 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.448 0.013 0.538 0.001 0.001 0.742 0.256 0.001 0.137 0.119 0.453 0.291 0.242 0.001 0.526 0.231 0.946 0.001 0.052 0.001 0.569 0.001 0.378 0.052 0.611 0.326 0.04 0.023 0.427 0.238 0.238 0.097