MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Forebrain_P0_H3K4me2_89_50_0.521_5.918807e-187 letter-probability matrix: alength= 4 w= 8 nsites= 100 E= 1.0e-1 0.0 0.0 0.501297 0.498703 0.0 0.0 0.746665 0.253335 0.866582 0.0 0.0 0.133418 0.0 0.936751 0.037283 0.025966 0.044931 0.89525 0.042262 0.017557 0.0 0.737737 0.020717 0.241545 0.011895 0.0 0.739709 0.248396 0.046975 0.892739 0.060286 0.0