In the present study, rat cardiac sarcoplasmic reticulum(SR) phospholamban (PLB) phosphatase was partially purified by chromatography on DEAE-Sephacel.

• 用DEAE－Sephacel层析法部分纯化了大鼠心肌肌浆网phospholamhan（PLB）蛋白磷酸酶（PPase），并证明其是PPase－1。