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. 2011 Jul 15;6(7):e22218. doi: 10.1371/journal.pone.0022218

Figure 1. Phosphoprotein phosphatase (PPP) catalytic subunits of D. melanogaster.

Figure 1

(A) Phylogenetic relationship of the amino acid sequences of 19 phosphatases. The bar indicates 0.2 amino acid substitutions per site, * labels male specific expression. (B) Chromosomal localization of the PPP genes. Chromosomes X, 2, 3, and 4 are depicted as solid bars with the numbering of the first and the last divisions. Chromosome Y is represented by an unproportional broken bar. The capital letters above the chromosomes label the chromosome arms termed the Muller elements. Although chromosome numbers vary in different Drosophila species the Muller elements are common to all species and can be conveniently used for the comparison of a gene's global location. The directions of the ORFs are indicated by arrows (left to right corresponds to 5′ to 3′ in the upper strand). The genes that have no introns in their coding regions are boxed.