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. 2006 Nov 27;1:23. doi: 10.1186/1748-7188-1-23

Table 2.

Position Weight Matrix. A count of nucleotides j ∈ {A, T, G, C} at each position k = 1..l in all the sequences of the data set. Ck is the kth nucleotide of the consensus pattern which represents the nucleotide with the highest value in that column. Let the consensus pattern be GACT...G and bj be the background.

j k = b k = 1 k = 2 K = 3 k = 4 ... k = l
A bA w1 C2 w7 w10 ... w3l-2
T bT w2 w4 w8 C4 ... w3l-1
G bG C1 w5 w9 w11 ... Cl
C bC W3 w6 C3 w12 ... W3l