protease

简明释义

[ˈprəʊtieɪz][ˈproʊtieɪz]

n. [生化] 蛋白酶

英英释义

A protease is an enzyme that catalyzes the breakdown of proteins into smaller peptides or amino acids by hydrolyzing the peptide bonds.

蛋白酶是一种酶,催化蛋白质通过水解肽键分解成较小的肽或氨基酸。

单词用法

protease inhibitor

蛋白酶抑制剂

neutral protease

中性蛋白酶

同义词

proteinase

蛋白酶

Proteinases are essential for digestion as they break down proteins into amino acids.

蛋白酶对消化至关重要,因为它们将蛋白质分解为氨基酸。

peptidase

肽酶

Peptidases play a key role in various biological processes, including protein turnover and immune responses.

肽酶在各种生物过程中发挥关键作用,包括蛋白质的更替和免疫反应。

反义词

protease inhibitor

蛋白酶抑制剂

Protease inhibitors are used in the treatment of HIV.

蛋白酶抑制剂用于治疗HIV。

antiprotease

抗蛋白酶

Antiprotease drugs can help control viral infections.

抗蛋白酶药物可以帮助控制病毒感染。

例句

1.The unnatural backbone of PNAs also means that PNAs are particularly resistant to protease and nuclease degradation.

PNA的非天然骨架也使得PNA能有效对抗蛋白酶和核酸酶的降解。

2.PIs inhibit protease, which is another protein involved in the HIV replication process.

蛋白质分解抑制剂;首次获准:1995年;抗病毒方式:蛋白质分解抑制剂是另一种进入复制过程的蛋白质。

3.Non-toxic reversible metallo -protease inhibitor.

金属蛋白酶可逆的抑制剂,无毒。

4.Many plant-borne protease inhibitors are small proteins with molecular weights under 20,000 daltons.

许多植物性蛋白酶抑制剂的分子量都在20,000道尔顿以下。

5.The behavior of aggregation of soy protein isolate (SPI) induced by Subtilisin protease was investigated.

研究了大豆分离蛋白的枯草杆菌蛋白酶水解产物的聚集行为。

6.This article reviews the active mechanism and peculiarity of HCV NS3 protease inhibitor.

作者综述了NS3蛋白酶抑制剂的作用机制和活性特点。

7.Protease nexin-1 may thus have an impact in the development of atherosclerosis.

蛋白酶连接蛋白- 1可能因此对动脉粥样硬化的形成产生影响。

8.The presence of a specific protease can indicate the progression of certain diseases.

特定蛋白酶的存在可能表明某些疾病的进展。

9.Researchers are studying how protease inhibitors can be used to treat certain viral infections.

研究人员正在研究如何利用蛋白酶抑制剂治疗某些病毒感染。

10.The enzyme protease plays a crucial role in breaking down proteins into smaller peptides during digestion.

蛋白酶在消化过程中扮演着重要角色,负责将蛋白质分解成较小的肽。

11.Food processing industries utilize protease to tenderize meat products.

食品加工行业利用蛋白酶来嫩化肉类产品。

12.In the laboratory, scientists often use protease to analyze protein structures.

在实验室中,科学家们常常使用蛋白酶来分析蛋白质结构。

作文

Proteins are essential macromolecules that play crucial roles in various biological processes. The breakdown of proteins into smaller peptides and amino acids is vital for many physiological functions, and this process is facilitated by enzymes known as proteases. Protease (蛋白酶) enzymes catalyze the hydrolysis of peptide bonds, thus enabling the digestion of dietary proteins and the recycling of cellular proteins. In the human body, proteases are involved in numerous functions, including digestion, immune response, and cell signaling. For instance, during digestion, proteases in the stomach and small intestine break down the proteins we consume into smaller peptides and amino acids, which can then be absorbed into the bloodstream and utilized by the body. Without the action of proteases, our bodies would not be able to efficiently utilize the proteins in our diet.Moreover, proteases play a significant role in the immune system. They help to regulate the activity of various immune cells and cytokines, ensuring that the immune response is appropriately activated and terminated. This regulation is crucial for maintaining homeostasis and preventing excessive inflammation, which can lead to tissue damage and chronic diseases.Furthermore, proteases are also key players in cellular processes such as apoptosis (programmed cell death) and cell division. They are involved in the degradation of damaged or misfolded proteins, thereby maintaining protein quality control within the cell. When proteases function improperly, it can result in a variety of diseases, including cancer, neurodegenerative disorders, and autoimmune conditions.In addition to their biological importance, proteases have significant applications in biotechnology and medicine. They are used in the development of therapeutic agents for treating diseases associated with protease dysfunction. For example, certain viruses, such as HIV, rely on viral proteases for their replication. Inhibiting these viral proteases has been a successful strategy in developing antiretroviral therapies for HIV/AIDS patients.Moreover, proteases are utilized in various industrial applications, including food processing, detergents, and leather production. In the food industry, proteases are employed to tenderize meat, clarify beverages, and enhance flavor profiles. Their ability to break down proteins makes them invaluable in producing high-quality food products.In conclusion, proteases (蛋白酶) are indispensable enzymes that contribute to numerous biological functions and industrial applications. Understanding the mechanisms and roles of proteases is essential for advancing medical research and improving various technologies. As we continue to explore the complexities of these enzymes, we may uncover new therapeutic targets and innovative uses that could benefit society as a whole.