这个基因编码蛋白磷酸酶的催化亚单位，是调节细胞周期进程的信号通路的一个组成部分。存在编码不同蛋白质亚型的剪接变异体。该基因的假基因位于X染色体上。
This gene encodes the catalytic subunit of protein phosphatase, a component of a signaling pathway regulating cell cycle progression. Splice variants encoding different protein isoforms exist. The pseudogene of this gene is located on chromosome X.