MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Forebrain_E16.5_H3K27me3_25_175_0.524_1.455283e-11 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.049 0.069 0.758 0.124 0.001 0.947 0.001 0.051 0.036 0.001 0.101 0.862 0.813 0.078 0.033 0.076 0.001 0.039 0.932 0.028 0.927 0.03 0.042 0.001 0.862 0.072 0.001 0.065 0.921 0.025 0.053 0.001