MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E122_H3K27ac_21_58_0.551_1.082639e-269 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.671795 0.095539 0.049178 0.183489 0.0 0.801259 0.0 0.198741 0.0 0.968157 0.031843 0.0 0.04386 0.086149 0.023769 0.846223 0.0 1.0 0.0 0.0 0.031451 0.061812 0.851317 0.05542 0.012432 0.056374 0.931194 0.0 0.308176 0.056602 0.038247 0.596976 0.0 0.96656 0.012181 0.021259