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Secondary structure-based sequence alignment between PARP-2-CF and PARP-1-CF. A sequence alignment for PARP-2-CF and PARP-1-CF is shown, shaded to detail both identical residues (black) and conserved residues (grey) between the two molecules. Secondary structure elements are also shown, labelled according to Ruf et al. (36). Amino acid residues important for catalytic function are also highlighted.
