MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E015_H3K27ac_13_209_0.550_3.032655e-154 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.982 0.001 0.016 0.021 0.914 0.064 0.001 0.001 0.001 0.997 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.997 0.001 0.997 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.001