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. 2013 Mar 11;8(3):e57219. doi: 10.1371/journal.pone.0057219

Figure 4. Sequence comparison of PIGR haplotypes.

Figure 4

(A) Variant positions at which the corresponding pair of PIGR haplotypes Differ (upper line; “D”), or are the Same (lower line; “S”). The positions of the PIGR exons are marked by the transparent gray boxes. (B) Schematic representation of the three major PIGR haplotypes with indication of the positions at which they differ or not. Within the body of the PIGR gene, haplotype I is appears as a recombinant between haplotype II and III, which differ on average every 109 nucleotides. Upstream of the gene, the three haplotypes differ on average every ∼200 nculeotides.