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Study on autophosphorylation of soybean leaf plasma membrane protein kinases

Wang Ningning, Wu Haiming, Wang Yong, Zhang Zili, Zhu Liangji, Zhang Ren

Biochemistry of Molecular Biology Department of Nankai University.Tianjin 300071；Australia

Abstract

The authors the in vitro autophosphorylation characteristics of soybean primary leaf plasma membrane protein kinases and the possible effect of autophosphorylation on enzyme activities. It was found that Mn-ATP was a more effective substrate than Mg-ATP for the autophosphorylation of the 57 kD protein kinase.

Key words: Soybean leaf;Plasma membrane protein kinase;Autophosphorylation

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Citing This Article：

Wang Ningning, Wu Haiming, Wang Yong, Zhang Zili, Zhu Liangji, Zhang Ren. Study on autophosphorylation of soybean leaf plasma membrane protein kinases. Acta Physiol Sin 1998; 50 (2): (in Chinese with English abstract).