endopeptidase

简明释义

英[ˌendəʊˈpeptɪˌdeɪz]美[ˌendoʊˈpeptɪˌdeɪz]

n. [生化] 肽链内切酶

英英释义

单词用法

同义词

反义词

例句

1.The role of serine endopeptidase in cu-cumber leaf senescence was studied by using the inhibitor of serine endopeptidase and plant growth regulators(6-BA and ABA)on darkness-induced cucumber leaves.

采用丝氨酸内肽酶抑制剂和植物生长调节剂处理离体黄瓜叶片，研究了黄瓜叶片暗诱导衰老过程中丝氨酸内肽酶的作用。

2.The role of serine endopeptidase in cu-cumber leaf senescence was studied by using the inhibitor of serine endopeptidase and plant growth regulators(6-BA and ABA)on darkness-induced cucumber leaves.

采用丝氨酸内肽酶抑制剂和植物生长调节剂处理离体黄瓜叶片，研究了黄瓜叶片暗诱导衰老过程中丝氨酸内肽酶的作用。

3.Endopeptidase, BAPA, from sterile line at trinucleate stage showed cysteine- and serine types, and also part of type with metalloprotease, but it was the serine type only in maintainer line.

不育系三核期含有的BAPA内肽酶包括半胱氨酸型、丝氨酸型，以及部分含金属酶类；

4.Two japonica rices, Wuyujing 3 and 97.7 were used to study changes in contents of soluble protein, free amino acids and endopeptidase activity during photosynthetic declination.

以两个粳稻品种武育粳3号和97-7作材料研究了光合功能衰退进程中叶片中可溶性蛋白质、游离氨基酸和内肽酶活力的变化。

5.Objective to set up an ELISA method to measure urinary neutral endopeptidase (NEP) and determine its clinical meaning in diagnosing renal tubular injury.

目的建立尿中性肽内切酶(NEP)检测的ELISA法，明确用ELISA法检测尿nep在诊断肾小管损伤中的意义。

6.Objective: To detect neutral endopeptidase (NEP) expression in lymphocytes of patients with congestive heart failure.

目的：观察中性内肽酶(NEP)在心力衰竭(心衰)患者淋巴细胞中的表达。

7.VIP has only a short-lived effect, because it is soon broken down by an enzyme called Neutral Endopeptidase (NEP).

血管活性肠肽只能起到短暂的效果，因为它很快就会被一种叫做中性肽链内切酶的物质分解。

8.The enzyme endopeptidase plays a crucial role in protein digestion by breaking down peptide bonds within the protein chain.

酶内肽酶在蛋白质消化中起着至关重要的作用，通过断裂蛋白链内的肽键。

9.Researchers are studying endopeptidase to understand its potential in therapeutic applications for certain diseases.

研究人员正在研究内肽酶，以了解其在某些疾病治疗中的潜力。

10.The activity of endopeptidase can be influenced by pH levels, which is important in industrial applications.

pH水平可以影响内肽酶的活性，这在工业应用中非常重要。

11.In the laboratory, scientists often use endopeptidase to cleave specific protein sequences for analysis.

在实验室中，科学家们常常使用内肽酶来切割特定的蛋白质序列以进行分析。

12.The production of endopeptidase from microbial sources has gained attention for its efficiency and cost-effectiveness.

来自微生物来源的内肽酶的生产因其效率和成本效益而受到关注。

作文

The human body is a complex and intricate system, composed of various proteins that play crucial roles in numerous biological processes. One of the key players in the protein digestion process is an enzyme known as endopeptidase. This enzyme is primarily responsible for breaking down peptide bonds within protein molecules, which facilitates the absorption of amino acids into the bloodstream. Understanding the function of endopeptidase is essential for comprehending how our bodies utilize the proteins we consume through our diet. Proteins are made up of long chains of amino acids, and these chains are held together by peptide bonds. When we eat protein-rich foods such as meat, beans, or dairy products, our digestive system must break these proteins down into smaller peptides and ultimately into individual amino acids. This is where endopeptidase comes into play. Unlike exopeptidases, which cleave amino acids from the ends of peptide chains, endopeptidase targets specific peptide bonds within the chain. This action results in the formation of shorter peptide fragments, which can then be further digested by other enzymes. There are several types of endopeptidases, each with its unique characteristics and functions. For instance, pepsin is one of the most well-known endopeptidases and is produced in the stomach. It operates optimally in acidic conditions and begins the process of protein digestion as soon as food enters the stomach. Another important endopeptidase is trypsin, which is secreted by the pancreas into the small intestine. Trypsin works in a more neutral pH environment and continues to break down the peptide chains that pepsin has started to digest. The efficiency of endopeptidases is vital for maintaining proper nutrition. If these enzymes are not functioning effectively, it can lead to malabsorption of nutrients, resulting in deficiencies and various health issues. For example, individuals with pancreatic insufficiency may not produce enough trypsin, leading to difficulties in digesting proteins adequately. This condition can cause symptoms such as bloating, diarrhea, and weight loss. Moreover, endopeptidases also play a role beyond digestion. They are involved in several physiological processes, including the regulation of hormones and immune responses. By cleaving specific proteins, endopeptidases help activate or deactivate various biological pathways, showcasing their importance in overall health and wellness. In conclusion, endopeptidase is a crucial enzyme in the digestive system, facilitating the breakdown of proteins into absorbable units. Its role extends beyond mere digestion, impacting many physiological functions within the body. A deeper understanding of endopeptidase not only highlights its significance in nutrition but also emphasizes the intricate relationships between enzymes and overall health. As research continues to explore the various functions of endopeptidases, we can better appreciate the complexity of our biological systems and the importance of maintaining a balanced diet rich in proteins to support these essential processes.

人体是一个复杂而精密的系统，由各种蛋白质组成，这些蛋白质在许多生物过程中发挥着至关重要的作用。在蛋白质消化过程中，一个关键的参与者是被称为内肽酶的酶。这种酶主要负责分解蛋白质分子中的肽键，从而促进氨基酸进入血液的吸收。理解内肽酶的功能对于理解我们身体如何利用通过饮食摄入的蛋白质至关重要。 蛋白质由长链氨基酸构成，这些链通过肽键相互连接。当我们吃富含蛋白质的食物，如肉类、豆类或乳制品时，我们的消化系统必须将这些蛋白质分解成较小的肽，最终转化为单个氨基酸。这就是内肽酶发挥作用的地方。与从肽链末端切割氨基酸的外肽酶不同，内肽酶针对链内特定的肽键进行切割。这一作用导致形成更短的肽片段，这些片段随后可以被其他酶进一步消化。 有几种类型的内肽酶，每种都有其独特的特性和功能。例如，胃蛋白酶是最著名的内肽酶之一，它是在胃中产生的。它在酸性条件下最佳工作，并在食物进入胃时开始蛋白质消化过程。另一个重要的内肽酶是胰蛋白酶，它由胰腺分泌到小肠中。胰蛋白酶在更中性的pH环境中工作，继续分解胃蛋白酶开始消化的肽链。 内肽酶的效率对于维持适当的营养至关重要。如果这些酶无法有效工作，可能会导致营养物质的吸收不良，从而导致缺乏和各种健康问题。例如，胰腺功能不足的个体可能无法产生足够的胰蛋白酶，导致消化蛋白质的困难。这种情况可能引起腹胀、腹泻和体重减轻等症状。 此外，内肽酶在消化之外还发挥着作用。它们参与多种生理过程，包括激素和免疫反应的调节。通过切割特定的蛋白质，内肽酶帮助激活或失活各种生物途径，展示了它们在整体健康和福祉中的重要性。 总之，内肽酶是消化系统中的一种关键酶，促进蛋白质分解为可吸收的单位。它的作用超越了简单的消化，影响着体内许多生理功能。对内肽酶的更深入理解不仅突显了其在营养中的重要性，还强调了酶与整体健康之间的复杂关系。随着研究不断探索内肽酶的各种功能，我们可以更好地欣赏生物系统的复杂性，以及维持丰富的蛋白质饮食以支持这些基本过程的重要性。