MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Lung_E16.5_H3K9ac_44_158_0.572_5.224355e-116 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.11 0.888 0.001 0.001 0.001 0.997 0.001 0.11 0.001 0.888 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.11 0.001 0.001 0.888 0.11 0.001 0.001 0.888 0.111 0.001 0.777 0.111 0.556 0.111 0.222 0.111