PYROPHOSPHATE-DEPENDENT PHOSPHOFRUCTOKINASE, AN ANAEROBIC GLYCOLYTIC ENZYME

被引:134
|
作者
MERTENS, E [1 ]
机构
[1] ROCKEFELLER UNIV,NEW YORK,NY 10021
关键词
PYROPHOSPHATE; PHOSPHOFRUCTOKINASE; GLYCOLYSIS; ANAEROBIC METABOLISM; FRUCTOSE; 6-PHOSPHATE; 1-PHOSPHOTRANSFERASE; INORGANIC PYROPHOSPHATE; EUGLENA-GRACILIS; FRUCTOSE-2,6-BISPHOSPHATE; METABOLISM; EVOLUTION; PLANTS; ENERGY; 6-PHOSPHOFRUCTOKINASE; PHOSPHOTRANSFERASE;
D O I
10.1016/0014-5793(91)80711-B
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
Recent evidence indicates that in as diverse organisms as unicellular eukaryotes, higher plants and prokaryotes, anaerobic glycolysis relies on a pyrophosphate-dependent phosphofructokinase instead of the classical ATP-dependent enzyme. This difference in phosphoryl donor specificity does not necessarily reflect a primitive metabolism, as thought earlier, but could rather be the result of convergent evolution, fostered by the energetic advantage conferred to the cell when glycolysis is the sole source of ATP.
引用
收藏
页码:1 / 5
页数:5
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