MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Neural-Tube_E14.5_H3K9ac_30_166_0.617_1.635938e-253 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.285 0.215 0.114 0.386 0.377 0.215 0.001 0.407 0.001 0.001 0.001 0.997 0.001 0.863 0.135 0.001 0.261 0.465 0.001 0.273 0.001 0.997 0.001 0.001 0.001 0.177 0.821 0.001 0.386 0.001 0.533 0.08