MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E128_H3K27ac_32_205_0.535_4.657953e-309 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.078 0.001 0.051 0.87 0.015 0.949 0.035 0.001 0.016 0.043 0.863 0.078 0.043 0.13 0.811 0.016 0.015 0.001 0.983 0.001 0.043 0.93 0.026 0.001 0.016 0.024 0.944 0.016 0.001 0.973 0.025 0.001 0.015 0.001 0.969 0.015 0.001 0.964 0.015 0.02 0.016 0.003 0.13 0.851 0.001 0.906 0.078 0.015