MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Heart_E12.5_H3K27me3_67_172_0.503_0.01545426 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.001 0.001 0.997 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 0.001 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 0.001 0.997 0.997 0.001 0.001 0.001 0.001 0.147 0.851 0.001 0.94 0.001 0.001 0.058 0.001 0.001 0.997 0.001