MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF E071_H3K27ac_72_66_0.515_5.25754e-271 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.040092 0.938034 0.0 0.021874 0.051878 0.910938 0.012748 0.024436 0.043988 0.011027 0.872447 0.072538 0.0 0.071155 0.7562 0.172645 0.897351 0.0 0.054203 0.048446 0.036387 0.943037 0.0 0.020577 0.316056 0.520633 0.06178 0.101531 0.0 0.876651 0.114715 0.008633 0.061473 0.086414 0.852112 0.0