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Table 1 Representation of an example TFBS. Two sequence-based representations of the same TFBS, a consensus sequence and a position specific scoring matrix (PSSM). The example used here is the binding site of the early growth response protein 1 (EGR-1, Zif268), which is a zinc finger protein.

From: From sequence to structure and back again: approaches for predicting protein-DNA binding

CONSENSUS T G C G T G G G C G
POSITION 1 2 3 4 5 6 7 8 9 10
SCORING MATRIX A 5 7 0 2 0 31 0 0 13 0
  C 3 0 98 0 2 0 0 0 76 0
  G 5 93 0 98 14 69 100 100 0 100
  T 87 0 2 0 84 0 0 0 11 0