MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_E15.5_H3K9ac_74_110_0.520_1.885969e-39 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.0 0.640042 0.359958 0.0 0.116339 0.0 0.046286 0.837374 0.0 0.0 0.991719 0.008281 0.0 0.751811 0.134326 0.113863 0.024882 0.0 0.968517 0.006602 0.031741 0.894173 0.023354 0.050732 0.033661 0.824931 0.030889 0.110519 0.296831 0.0 0.0 0.703169 0.0 0.893865 0.084979 0.021156 MOTIF Midbrain_E16.5_H3K9ac_76_69_0.551_9.709353e-108 letter-probability matrix: alength= 4 w= 10 nsites= 100 E= 1.0e-1 0.216025 0.350382 0.262952 0.170641 0.0 0.761865 0.238135 0.0 0.084925 0.030387 0.019911 0.864777 0.003389 0.046227 0.916549 0.033835 0.034874 0.761381 0.031552 0.172193 0.011982 0.002558 0.97244 0.01302 0.008665 0.753994 0.048597 0.188744 0.126308 0.626414 0.041252 0.206026 0.037949 0.063593 0.028623 0.869835 0.0 0.756009 0.105412 0.138579