MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E015_H3K27ac_44_224_0.530_6.114105e-50 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.859 0.139 0.001 0.001 0.997 0.001 0.001 0.001 0.139 0.001 0.859 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.001 0.997 0.14 0.719 0.001 0.14 0.001 0.997 0.001 0.001 0.085 0.001 0.913 0.001 0.001 0.997 0.001 0.001 0.14 0.719 0.14 0.001 0.001 0.001 0.001 0.997 0.997 0.001 0.001 0.001