MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Heart_E13.5_H3K9ac_39_92_0.545_7.962331e-308 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.0 1.0 0.0 0.0 0.0 0.076313 0.923687 0.0 0.684107 0.315893 0.0 0.0 0.203652 0.0 0.796348 0.0 0.685374 0.175207 0.139419 0.0 0.0 0.020139 0.959075 0.020785 0.069841 0.0 0.914784 0.015375 0.0 0.027785 0.93003 0.042185 0.717472 0.074596 0.177771 0.030161