MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF MA0414.1 XBP1 letter-probability matrix: alength= 4 w= 7 nsites= 101 E= 0 0.118812 0.504950 0.069307 0.306931 0.000000 0.000000 0.000000 1.000000 0.000000 1.000000 0.000000 0.000000 0.000000 0.000000 1.000000 0.000000 1.000000 0.000000 0.000000 0.000000 0.396040 0.079208 0.495050 0.029703 0.313131 0.222222 0.313131 0.151515 URL http://jaspar.genereg.net/matrix/MA0414.1