MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Neural-Tube_E13.5_H3K27me3_66_177_0.501_0.02103937 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 0.001 0.001 0.997 0.124 0.001 0.874 0.001 0.001 0.001 0.001 0.997 0.033 0.001 0.965 0.001 0.001 0.997 0.001 0.001 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 0.997 0.001 0.001 0.001 0.997 0.001 0.001