MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E004_H3K27me3_33_219_0.538_4.029574e-16 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.133 0.283 0.38 0.204 0.069 0.325 0.391 0.215 0.001 0.997 0.001 0.001 0.001 0.477 0.521 0.001 0.069 0.693 0.215 0.023 0.001 0.833 0.165 0.001 0.772 0.001 0.182 0.045 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.001 0.997 0.217 0.618 0.029 0.136 0.315 0.05 0.612 0.023