MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_E12.5_H3K27me3_83_149_0.501_0.001506195 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.033829 0.939778 0.026393 0.0 0.060554 0.033109 0.038592 0.867745 0.005852 0.013815 0.980333 0.0 0.218991 0.0 0.632507 0.148501 0.479138 0.022368 0.108235 0.390259 0.104059 0.0 0.89381 0.002131 0.020578 0.827318 0.099805 0.052298 0.008884 0.970526 0.020589 0.0 0.0 0.725487 0.0 0.274513 MOTIF Midbrain_E13.5_H3K27me3_65_144_0.502_3.055531e-07 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.037237 0.15943 0.075635 0.727698 0.109759 0.016171 0.82454 0.04953 0.031633 0.026696 0.941671 0.0 0.016421 0.076815 0.870948 0.035816 0.010484 0.720435 0.119041 0.15004 0.037536 0.058659 0.028385 0.875421 0.505273 0.46124 0.0 0.033487 0.0 0.910767 0.089233 0.0 0.934519 0.0 0.013062 0.052419