Placenta-Specific Protein 1 Is Conserved throughout the Placentalia under Purifying Selection

<table>PLAC1 amino acid consistency scores by protein domain. A consistency score of 10 indicates no amino acid difference at the indicated position among all 25 placental mammal species.</table>

The Scientific World Journal

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Figure 2

Figure 2: Placenta-Specific Protein 1 Is Conserved throughout the Placentalia under Purifying Selection 