MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E019_H3K27me3_50_175_0.505_0.0002937305 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.997 0.001 0.001 0.001 0.336 0.001 0.662 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.997 0.001 0.001 0.001 0.688 0.044 0.267 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001