MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Forebrain_E11.5_H3K27me3_18_159_0.545_4.810535e-29 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.001 0.374 0.001 0.624 0.001 0.591 0.001 0.407 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.18 0.423 0.396 0.001 0.506 0.001 0.205 0.288 0.069 0.001 0.929 0.001 0.621 0.001 0.001 0.377 MOTIF Hindbrain_E15.5_H3K27me3_1_151_0.538_2.601366e-40 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.128 0.581 0.001 0.29 0.001 0.657 0.001 0.341 0.001 0.206 0.792 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.338 0.001 0.652 0.009 0.36 0.001 0.467 0.172 0.145 0.327 0.382 0.146