MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E005_H3K27ac_87_208_0.512_4.05157e-09 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.001 0.001 0.221 0.777 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.221 0.001 0.001 0.777 0.001 0.001 0.997 0.001 0.001 0.001 0.221 0.777 0.001 0.001 0.001 0.997 0.334 0.664 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997