MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E020_H3K27me3_64_172_0.502_0.0003973949 letter-probability matrix: alength= 4 w= 10 nsites= 100 E= 1.0e-1 0.001 0.096 0.17 0.733 0.001 0.895 0.001 0.103 0.001 0.625 0.171 0.203 0.001 0.169 0.829 0.001 0.001 0.001 0.997 0.001 0.867 0.131 0.001 0.001 0.001 0.001 0.001 0.997 0.829 0.169 0.001 0.001 0.001 0.001 0.997 0.001 0.707 0.001 0.001 0.291