Z curve
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This article is about a method for genome analysis. For the space filling curve, see Z-order (curve). For the weighting curve, see Z-weighting.
The Z curve (or Z-curve) method is a bioinformatics algorithm for genome analysis. The Z-curve is a three-dimensional curve that constitutes a unique representation of a DNA sequence, i.e., for the Z-curve and the given DNA sequence each can be uniquely reconstructed from the other.[1] The resulting curve has a zigzag shape, hence the name Z-curve.