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1·Covalent catalysis involves the substrate forming a transient covalent bond with residues in the active site or with a cofactor.

共价催化涉及底物与活性位点中的残基或与辅因子形成瞬时共价键。

2·An enzyme without its cofactor is termed an apoenzyme.

没有辅助因子的酶叫做脱辅酶。

3·Magnesium is a cofactor of the sodium-potassium ATPase pump.

镁是钠-钾atp酶泵的辅助因子。

4·Magnesium is involved as a cofactor in many enzyme transfers.

镁是许多酶转变的辅助因素。

5·These enzymatic reactions may do not need any cofactor and do not release electrons.

这些酶促反应不需要辅助因子参与，不释放电子。

6·Like fireflies, they too rely on a cofactor, in this case calcium ions rather than magnesium.

例如萤火虫，它主要是依赖于镁离子这种辅助因子，而水母则依赖于钙离子。

7·Biotin is an essential cofactor that is important for energy production and lipid metabolism.

生物素也是协助产生体能的辅助因素，对优化能量供应链和协调脂肪代谢非常重要。

8·The results show that the suitable selection of retention agent and its cofactor was very important.

结果认为选用适当的助留剂和改进助留辅助剂非常重要。

9·Tetrahydrofolate(THF) cofactor is the carrier of one-carbon unit on biosynthesis and cell metabolize.

四氢叶酸（THF）辅酶是生物合成与细胞代谢的过程中一碳单元转移的载体。

10·Abstract: Cofactor balance plays an important role in producing enzymes, pharmaceuticals and chemicals.

摘要：辅因子平衡对于酶制剂、药品和化学品的生产具有重要的作用。

辅助因子

1·Magnesium is a cofactor of the sodium-potassium ATPase pump.

镁是钠-钾atp酶泵的辅助因子。

辅助因素

1·Magnesium is involved as a cofactor in many enzyme transfers.

镁是许多酶转变的辅助因素。

2·The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation.

金属离子可以是辅助因素的催化中心，也可以帮助形成酶活性所必须的构象。