MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Forebrain_P0_H3K27ac_78_22_0.515_1.103698e-53 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.435067 0.564933 0.0 0.0 0.0 0.913153 0.0 0.086847 0.0 0.932755 0.067245 0.0 0.22855 0.041503 0.051685 0.678263 0.0 1.0 0.0 0.0 0.096934 0.0 0.832032 0.071034 0.01859 0.0 0.937986 0.043424 0.009317 0.885229 0.036642 0.068812 0.0 0.60902 0.379051 0.011929 MOTIF Limb_E14.5_H3K27ac_52_34_0.529_1.261311e-34 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.073423 0.0 0.232252 0.694325 0.466529 0.400384 0.034054 0.099032 0.026349 0.94989 0.023761 0.0 0.0 1.0 0.0 0.0 0.097754 0.052876 0.026507 0.822863 0.0 1.0 0.0 0.0 0.018678 0.0 0.922157 0.059165 0.0 0.0 1.0 0.0 0.073806 0.744146 0.079289 0.102759