MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Hindbrain_E12.5_H3K9ac_24_172_0.597_2.555672e-228 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.825 0.001 0.173 0.001 0.997 0.001 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 0.001 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 0.001 0.997 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.174 0.174 0.478 0.174