MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Neural-Tube_E15.5_H3K9ac_53_83_0.588_1.322122e-211 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.10225 0.00985 0.793862 0.094038 0.792118 0.031835 0.107593 0.068454 0.02186 0.0 0.847784 0.130356 0.052572 0.050444 0.122851 0.774133 0.0 0.980412 0.0 0.019588 0.006415 0.84771 0.145875 0.0 0.014318 0.77422 0.211462 0.0 0.235944 0.051027 0.713029 0.0 0.028813 0.902568 0.050733 0.017886