MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E121_H3K27ac_76_139_0.509_1.526646e-50 letter-probability matrix: alength= 4 w= 10 nsites= 100 E= 1.0e-1 0.307633 0.692367 0.0 0.0 0.45282 0.463123 0.084057 0.0 0.074246 0.882505 0.026865 0.016384 0.0 0.738319 0.050324 0.211357 0.080775 0.048304 0.705161 0.165759 0.004537 0.274878 0.0 0.720584 0.18025 0.024862 0.04924 0.745648 0.0 0.011746 0.013576 0.974678 0.004967 0.966522 0.005651 0.02286 0.004438 0.008148 0.0 0.987414