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_H3K27ac_76_33_0.510_2.236438e-15 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.058469 0.0 0.312801 0.62873 0.0 0.988557 0.0 0.011443 0.193727 0.325431 0.417112 0.06373 0.318887 0.48722 0.082937 0.110956 0.442792 0.016286 0.506253 0.034669 0.024069 0.010448 0.897303 0.06818 0.024149 0.909286 0.029891 0.036674 0.003418 0.963624 0.015004 0.017954 0.864891 0.086868 0.012703 0.035538 0.0 0.969347 0.027343 0.00331 0.874096 0.025802 0.038979 0.061123 0.0 0.05451 0.930731 0.014759 MOTIF Limb_E12.5_H3K27ac_79_44_0.512_3.132152e-19 letter-probability matrix: alength= 4 w= 13 nsites= 100 E= 1.0e-1 0.051499 0.672745 0.05907 0.216686 0.193063 0.110123 0.278501 0.418313 0.029057 0.421908 0.435956 0.113078 0.222949 0.208909 0.510205 0.057937 0.180394 0.481273 0.300191 0.038142 0.719532 0.01686 0.115366 0.148242 0.021373 0.02928 0.920443 0.028903 0.037801 0.797852 0.06234 0.102007 0.003186 0.961733 0.018434 0.016648 0.838826 0.086414 0.006968 0.067793 0.008207 0.885509 0.068803 0.03748 0.755484 0.022538 0.056258 0.165719 0.004235 0.033491 0.94955 0.012724