rate-limiting enzyme

Angiotensin-converting enzyme 2 is the rate-limiting enzyme of Ang ( 1-7 ).

血管紧张素转换酶2是Ang ( 1-7 ) 的限速酶.

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DPD is the first rate-limiting enzyme in the catabolism of uracil and thymine, and affects DNA synthesis by decreasing the level of uracil and thymine, the necessary material for DNA synthesis.

DPD是尿嘧啶和胸腺嘧啶分解过程中的第一限速酶，可降低用于DNA合成的尿嘧啶和胸腺嘧啶的水平而影响DNA的合成。

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Then Enzyme Reaction Kinetic Model was used to simulate the relationships between the developmental rate of Thrips palmi and temperature and the direct optimum method was used to estimate the thresholds of development and thermal constants in different development stages of Thrips palmi.

用Schoolfield的酶促反应动力学模型拟合了棕榈蓟马发育与温度的关系。用直接最优法估算了棕榈蓟马不同发育阶段的温度阈值和所需热量。

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COX is a membrane conjugated protein and is the rate-limiting enzyme in the synthesis of prostaglandins.

COX是一种膜结合蛋白，是前列腺素生物合成的限速酶。

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Study on the effects of Enzyme Pretreatment on Extraction Rate of Pineapple Juice

酶处理对菠萝果汁提取率的影响研究

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The directed-site membrane transferring and visual screening method based on plate were used, and the factors, which affect bacterium growth, enzyme expression and the success rate of membrane transferring, were optimized to develop the high through-put screening method for thermo stable p-glucanase.

本研究将定位膜转印和肉眼可见的平板筛选策略相结合，通过对影响菌落生长、酶的表达和转印成功率的各因素的优化，建立了高通量筛选耐高温β-葡聚糖酶的方法。

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Effects of treadmill training on rate-limiting enzyme in glycolysis and aerobic oxidation energy supplying system of rats

跑台训练对大鼠糖酵解、有氧氧化供能系统限速酶影响的实验研究

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The two problems of enzyme-based biofuel cells are short lifetime and poor power density, both of which are related to enzyme stability, electron transfer rate and enzyme loading.

酶生物燃料电池的寿命短以及能量密度低都与酶的稳定性、电子迁移速率和酶载量相关。

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The enzyme activity recovery rate was about 33%. The stepwise purification of the enzyme had similar results as the gradient method, but was more convenient for handling large volumes of cell supernatants.

批量处理纯化重组保幼激素酯酶时酶蛋白活力回收率33%，效果与梯度分离方法相当，但简便快速，可作为大量分离纯化的第一步。

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Methods: Dynamicly FT3? FT4, and TSH were detected with radioimmunoassay ( RIA). Myocardial enzyme spectrums were examined by speed rate method in 20 patients with sporadic cretinism.

方法：用放射免疫法测定FT3、FT4、TSH，用速率法测定心肌酶谱，对20例散发性克汀病进行动态观察。

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Cyclooxygenase ( COX), also called prostaglandin peroxidate synthetase, is rate-limiting enzyme which catalyses arachidonic acid synthesizing endogenous prostaglandin, including three types of isomeride.

环氧化酶（cyclooxygenase，COX）又称前列腺素过氧化物合成酶，是催化花生四烯酸合成内源性前列腺素的限速酶，包括3种同分异构体。

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Chorismate acid is branch point in aromatic amino acids biosynthesis, related to phenylalanine, bifunctional enzymes chorismate mutase/ prephenate dehydratase ( encoded by pheA) is rate-limiting enzyme.

分支酸是芳香族氨基酸合成途径的分支点，与苯丙氨酸合成有关，双功能酶分支酸变位酶-预苯酸脱水酶（pheA基因编码）是关键酶。

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Further analysis revealed that the level of bacteria flask concentration and enzyme activity peaked earlier than the level of fermentation, under the conditions described in the sample fermented liquid level reaches the level unglued faster rate.

进一步分析发现摇瓶水平的菌种浓度和酶活要比发酵水平提前到达顶峰，说明在摇瓶水平条件下发酵液产酶活速率较快。

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The results showed that not all the TCA enzyme-deficiency affected the cell growth rate.

实验结果表明，三羧酸循环酶的缺陷并不一定都会影响细胞的生长速率。

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The rate of increase in conjugated enzyme, the peroxidase activity and the molar E/ P ratios increased with the amount of peroxidase added in biochemical determination.

免疫化学鉴定结果，标抗的酶量、酶活力和E/P比值随着酶加入量的增多而增高。

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The total detection rate of aminoglycosides modifying enzyme gene was 85.2 %.

氨基糖苷类修饰酶基因总检出率为85.2%.

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