MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Cranio-Facial_E11.5_H3K9ac_84_55_0.505_0.002605769 letter-probability matrix: alength= 4 w= 13 nsites= 100 E= 1.0e-1 0.928587 0.048344 0.0 0.023069 0.013514 0.01651 0.969782 0.000194 0.92917 0.044242 0.0 0.026587 0.075071 0.060279 0.836622 0.028028 0.287034 0.058954 0.633967 0.020045 0.071961 0.443176 0.478168 0.006695 0.175869 0.733576 0.052615 0.03794 0.050156 0.022902 0.874835 0.052106 0.020667 0.048286 0.910979 0.020068 0.061527 0.062513 0.0 0.87596 0.0 0.0 1.0 0.0 0.534165 0.070796 0.0 0.395039 0.0 0.039141 0.960859 0.0