MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E015_H3K27ac_109_204_0.504_1.236844e-66 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.001 0.018 0.001 0.98 0.001 0.001 0.001 0.997 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.681 0.317 0.001 0.001 0.479 0.001 0.519 0.001 0.162 0.836 0.001 0.996 0.001 0.002 0.001 0.001 0.317 0.001 0.681 0.001 0.001 0.997 0.001 0.98 0.018 0.001 0.001 0.001 0.997 0.001 0.001