MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Neural-Tube_E15.5_H3K27ac_68_143_0.515_6.30819e-15 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.782539 0.107472 0.072705 0.037283 0.88817 0.085931 0.0 0.025899 0.211218 0.744463 0.044319 0.0 0.954378 0.041241 0.0 0.00438 0.011032 0.457141 0.515356 0.016471 0.0 0.004609 0.995391 0.0 0.079645 0.086857 0.830485 0.003013 0.663009 0.009552 0.313932 0.013507 0.909733 0.0422 0.039693 0.008373 0.8548 0.012014 0.026156 0.10703 0.024301 0.044871 0.916967 0.013862 0.714763 0.177845 0.097347 0.010046 MOTIF Heart_E15.5_H3K27me3_51_134_0.506_0.0003854636 letter-probability matrix: alength= 4 w= 10 nsites= 100 E= 1.0e-1 0.439238 0.35972 0.198038 0.003004 0.186781 0.787851 0.025367 0.0 0.928055 0.011953 0.019395 0.040596 0.0 0.275727 0.724273 0.0 0.0 0.0 1.0 0.0 0.110566 0.092242 0.592973 0.20422 0.891055 0.006454 0.095151 0.00734 0.783629 0.141937 0.058329 0.016106 0.857548 0.044175 0.0551 0.043177 0.010553 0.018994 0.970453 0.0