MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_P0_H3K27ac_48_170_0.538_1.088615e-56 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.204 0.001 0.001 0.794 0.001 0.193 0.02 0.786 0.012 0.043 0.022 0.923 0.15 0.607 0.062 0.181 0.07 0.001 0.001 0.928 0.001 0.007 0.991 0.001 0.042 0.956 0.001 0.001 0.898 0.001 0.001 0.1 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.001 0.73 0.001 0.001 0.268 0.063 0.01 0.72 0.207