MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E022_H3K27ac_43_220_0.535_4.463084e-116 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.227 0.302 0.281 0.19 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.013 0.985 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.436 0.1 0.463 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.18 0.19 0.376 0.254 0.218 0.273 0.155 0.354