MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Lung_E15.5_H3K27ac_89_50_0.502_1.196237e-10 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.0 0.878121 0.121879 0.0 0.074232 0.835527 0.046123 0.044118 0.0 1.0 0.0 0.0 0.598424 0.165458 0.0 0.236118 0.010057 0.946026 0.035743 0.008175 0.077712 0.04883 0.078575 0.794883 0.017976 0.07283 0.88696 0.022234 0.015102 0.828413 0.111257 0.045228 0.510893 0.008678 0.17639 0.304039 0.006247 0.052949 0.92958 0.011224 0.735793 0.020204 0.168628 0.075375 0.082273 0.024537 0.879487 0.013703 MOTIF Limb_E14.5_H3K4me1_47_287_0.515_3.354143e-33 letter-probability matrix: alength= 4 w= 11 nsites= 100 E= 1.0e-1 0.167687 0.455097 0.0 0.377216 0.020137 0.78692 0.166046 0.026897 0.003879 0.081932 0.030964 0.883225 0.005227 0.691482 0.300004 0.003288 0.057691 0.004063 0.041828 0.896418 0.03758 0.075947 0.886474 0.0 0.039073 0.900911 0.030192 0.029825 0.93511 0.039816 0.025074 0.0 0.055525 0.021336 0.894664 0.028475 0.126315 0.05911 0.171889 0.642687 0.31621 0.057058 0.626732 0.0