MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Heart_E14.5_H3K4me1_41_29_0.515_3.988572e-19 letter-probability matrix: alength= 4 w= 12 nsites= 100 E= 1.0e-1 0.057013 0.024035 0.656 0.262953 0.050804 0.620051 0.208976 0.120169 0.884004 0.074478 0.041518 0.0 0.011973 0.010755 0.966009 0.011263 0.14834 0.798671 0.050129 0.002859 0.504172 0.420168 0.011335 0.064326 0.059397 0.004236 0.892095 0.044273 0.012111 0.937671 0.034591 0.015627 0.056087 0.850983 0.017728 0.075202 0.170087 0.7758 0.018519 0.035594 0.874395 0.090662 0.034943 0.0 0.0 0.104887 0.895113 0.0