MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Forebrain_E15.5_H3K4me2_45_37_0.593_5.698944e-304 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.030833 0.969167 0.0 0.0 0.081001 0.840334 0.043848 0.034816 0.0 0.018586 0.981414 0.0 0.880955 0.061496 0.012242 0.045307 0.009469 0.042035 0.946635 0.001861 0.215728 0.020763 0.763509 0.0 0.882061 0.039818 0.072951 0.00517 0.168148 0.463535 0.356594 0.011723 0.012698 0.098032 0.88927 0.0 0.784907 0.0 0.09485 0.120243 0.0 0.92149 0.064164 0.014346 0.0 0.0 1.0 0.0