辅酶

Fatty acid desaturases such as steaoryl-CoA desaturase conert saturated to unsaturated fatty acids and are inoled in lipogenesis.

脂肪酸去饱和酶如硬脂酰辅酶A去饱和酶将脂肪酸由饱和转变为不饱和，参与脂肪生成。

Abstract］objective: to detect the reduction of rabbit nadp-dependent retinal reductaseon menadione, and to identify its reductive production.

目的：检测兔辅酶ⅱ依赖性视黄醛还原酶对维生素k3的催化活性并对该酶还原k3所生成的产物进行鉴定。

Center for Molecular Biology, Shantou University Medical College, Shantou 515041, China［Abstract］Objective: To detect the reduction of rabbit NADP-dependent retinal reductaseon menadione, and to identify its reductive production.

目的：检测兔辅酶Ⅱ依赖性视黄醛还原酶对维生素K3的催化活性并对该酶还原K3所生成的产物进行鉴定。

A "benign"/adult form of methylmalonic acidemia is associated with increased, albeit mild, urinary excretion of methylmalonate secondary to impaired activity of the enzyme methylmalonyl-CoA mutase; individuals seem stable but may have acute metabolic decompensation.

一种"良性"／成年人的甲基丙二酸血症是由于甲基丙二酰辅酶A变位酶酶活力受损引起的，伴随着逐渐增加的，虽然是慢性地，尿排泄甲基丙二酸盐；患者病情看似稳定但是可能会出现急性的代谢失代偿。

Diacylglycerol acyltransferase 1(DGAT1) is a microsomal enzyme that catalyses the final and only committed step in the formation of triglycerides.

二酰基甘油酰基转移酶1(Diacylglycerol acyltransferase，DGAT1)是催化酰基化的辅酶A和二酰基甘油合成甘油三脂的关键限速酶。

The construction process includes the following steps: constructing recombinant plasmid containing phhA and phhB; transforming the recombinant plasmid to hygrophilous aeromonad; and screening recombinant hygrophilous aeromonad with the recombinant plasmid.

该重组菌中含有β-酮硫解酶基因phbA和乙酰乙酰辅酶A还原酶基因phbB。其构建方法包括以下步骤：1构建含phbA和phbB基因的重组质粒；2转化该重组质粒到嗜水气单胞菌中；3筛选出含有重组质粒的重组嗜水气单胞菌。

Raw enzyme was extracted after the bacteria were ultrasonically broken, and its 2-oxoalde-hyde reductase activity was detected by HPLC and UV absorbency spectrum in the presence of NADH and methylglyoxal as a substrate.

破碎该菌细胞后提取粗酶，以甲基乙二醛作反应底物，在还原性辅酶Ⅰ存在条件下，紫外光谱和HPLC的分析表明，该菌能代谢甲基乙二醛；并对其产酶条件进行了研究。

A "benign"/adult form of methylmalonic acidemia is associated with increased, albeit mild, urinary excretion of methylmalonate secondary to impaired activity of the enzyme methylmalonyl-CoA mutase; individuals seem stable but may have acute metabolic decompensation.

一种&良性&／成年人的甲基丙二酸血症是由于甲基丙二酰辅酶A变位酶酶活力受损引起的，伴随着逐渐增加的，虽然是慢性地，尿排泄甲基丙二酸盐；患者病情看似稳定但是可能会出现急性的代谢失代偿。

NADP-Dependent Retinol Dehydrogenase/Reductase identified from rabbit liver cytosol is involved in oxidoreduction between retinol and retinal with high activity. Therefore, NRDR plays an important role in modulation of the retinoids and RA homeostasis.

辅酶Ⅱ依赖性视黄醇脱氢/还原酶NADP(H-Dependent Retinol Dehydrogenase /Reductase NRDR是黄东阳教授等从兔肝中发现并纯化的一种酶，具有很高的催化视黄醛和视黄醇之间氧化还原反应的活性，对体内类视黄醇和维甲酸的代谢平衡起着重要的调节作用。

The effect of silicon atom in substrate on the reaction rate and the stereoselectivity of enzymatic reactions was revealed by comparison of horse liver alcohol dehydrogenase-catalyzed stereoselective dehydrogenation of the three isomers of acetyltrimethyl propanone and their carbon analogues in aqueous/organic biphasic systems.

本项目通过对比在水－有机溶剂两相系统中，马肝醇脱氢酶催化三甲基硅烷丙酮的三个异构体及其碳类似物的光学选择性脱氢反应，揭示了底物中的硅原子对酶反应速度、立体选择性的影响规律，成功地合成了高对映体纯度的手性有机硅醇，并实现了辅酶的再生。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。