MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Hindbrain_E13.5_H3K4me1_50_139_0.520_6.95452e-106 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.660769 0.0 0.0 0.339231 0.105185 0.842687 0.052128 0.0 0.0 0.035192 0.127433 0.837375 0.0 0.044242 0.944894 0.010864 0.0 0.788676 0.0 0.211324 0.009351 0.0 0.016908 0.973741 0.0 0.882332 0.074858 0.042809 0.484926 0.083016 0.0 0.432058 0.050777 0.0 0.935972 0.013251