A CA(2+)-DEPENDENT PROTEIN-KINASE PHOSPHORYLATES PHOSPHOENOLPYRUVATE CARBOXYLASE IN MAIZE

被引：29

作者：

OGAWA, N ^{[1
]}

OKUMURA, S ^{[1
]}

IZUI, K ^{[1
]}

机构：

[1] KYOTO UNIV,FAC SCI,DEPT CHEM,KYOTO 60601,JAPAN

来源：

FEBS LETTERS | 1992年 / 302卷 / 01期

关键词：

PHOSPHOENOLPYRUVATE CARBOXYLASE; C(4) PHOTOSYNTHESIS; PHOSPHORYLATION; PROTEIN KINASE INHIBITOR; CA(2+)-DEPENDENT PROTEIN KINASE; MAIZE;

D O I：

10.1016/0014-5793(92)80291-N

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In C4 plants the activity of phosphoenolpyruvate carboxylase (PEPC; EC 4.1.1.31) is regulated by phosphorylation/dephosphorylation which is mediated by light/dark signals. The study using protein kinase inhibitors showed that the inhibition pattern of maize PEPC-protein kinase (PEPC-PK) is similar to that of myosin light chain kinase, a Ca2+-calmodulin-dependent PK. The kinase activity was also inhibited by EGTA and the inhibition was relieved by Ca2+. These results suggest that PEPC-PK is Ca2+-dependent in contrast with previous observations by other research groups.

引用

页码：86 / 88

页数：3

共 15 条

[1]

BRADFORD MM, 1976, ANAL BIOCHEM, V72, P248, DOI 10.1016/0003-2697(76)90527-3

[2]

CHOLLET R, 1990, CURRENT RES PHOTOSYN, V4, P135

[3] REVERSIBLE LIGHT ACTIVATION OF THE PHOSPHOENOLPYRUVATE CARBOXYLASE PROTEIN-SERINE KINASE IN MAIZE LEAVES [J].