MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E067_H3K27ac_23_212_0.520_5.551754e-70 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.714 0.001 0.284 0.001 0.714 0.001 0.284 0.001 0.281 0.001 0.717 0.001 0.351 0.001 0.647 0.001 0.503 0.001 0.495 0.001 0.407 0.001 0.591 0.001