MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E105_H3K27ac_31_208_0.531_1.208856e-241 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.057 0.001 0.228 0.714 0.086 0.041 0.001 0.872 0.106 0.001 0.001 0.892 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.028 0.97 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.028 0.914 0.057 0.001 0.001 0.001 0.077 0.921 0.029 0.586 0.221 0.164