MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Heart_E15.5_H3K9ac_36_177_0.607_2.214696e-213 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.616 0.157 0.001 0.226 0.099 0.001 0.899 0.001 0.407 0.001 0.331 0.261 0.262 0.403 0.001 0.333 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.294 0.523 0.001 0.182 0.601 0.001 0.001 0.397