MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E099_H3K27me3_27_212_0.506_1.455358e-09 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.001 0.191 0.807 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.157 0.65 0.001 0.192 0.001 0.001 0.924 0.074 0.807 0.001 0.001 0.191 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.997 0.001 0.001 0.001