MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_P0_H3K4me3_39_166_0.657_5.396648e-311 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.146 0.02 0.367 0.467 0.001 0.495 0.001 0.503 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.582 0.416 0.001 0.997 0.001 0.001 0.001 0.001 0.52 0.478 0.001 0.74 0.001 0.001 0.258