MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Hindbrain_E16.5_H3K9ac_47_172_0.571_2.456278e-133 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.997 0.001 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.001 0.267 0.001 0.001 0.731 0.001 0.001 0.997 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.997 0.001