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PEP phosphoenolpyruvate tris (cyclohexylamine) salt photosynthesis
Release time: 2023-10-24
PEP phosphoenolpyruvate tris (cyclohexylamine) salt photosynthesis
Phosphoenolpyruvate tris (cyclohexylamine) salt, abbreviated as PEP, is a chemical substance that plays an important role in life activities. Its molecular formula is C21H44N306P, CAS number 35556-70-8, and molecular weight is about 465.56. It exists in the form of a white powder, is stable at room temperature, is easily soluble in water, and has high purity, usually reaching over 99%. This high water solubility and process stability make PEP widely used in the fields of biology and biochemistry, especially playing a crucial role in photosynthesis. Let's take a look together.
1、 Basic characteristics of PEP
PEP, as a salt form of phosphoenolpyruvate, has a variety of eye-catching properties, making it highly anticipated in the field of life sciences. Its characteristics are as follows:
(1) Physical state: PEP usually exists in the form of white powder, which is easy to carry, store, and use.
(2) Water solubility: PEP is easily soluble in water, which is one of the reasons why it is widely used in biochemical experiments. It can easily mix with other water-soluble compounds, making various experiments and reactions more convenient and beneficial for improving preparation efficiency.
(3) Stability: PEP has relatively high stability at room temperature, which means it can be stored for a long time without losing its activity, which is crucial for the repeatability of laboratory and scientific research work.
(4) High purity: Generally, PEPs supplied on the market have a high purity of over 99%, ensuring reliable and stable experimental results. Samples with lower purity may introduce unnecessary interference factors.
(5) Biocompatibility: PEP has good biocompatibility during use, which means it can be used in many experiments without causing serious toxic or interfering effects.
2、 The Role of PEP in Photosynthesis
PEP plays a crucial role in plant physiology and photosynthesis. Especially in C4 plants, PEP plays an important role in the carbon fixation process of photosynthesis, known as the C4 pathway, which is a mechanism that enables plants to more effectively utilize CO2. In C4 plants, PEP is first affected by phosphoenolpyruvate carboxylase (PEP carboxylase). The enzyme's function is to react PEP with CO2 to form oxaloacetic acid, which enables the plant to more efficiently obtain CO2 and convert it into energy and organic compounds. Compared to other enzymes such as Rubisco, the efficiency of CO2 fixation is much lower.
In addition, C4 plants typically grow in hot and dry environments, thus requiring a more effective CO2 fixation mechanism. The C4 pathway provides this ability through the action of PEP carboxylase, making plants more adaptable to harsh environments such as high temperature and low CO2. This is also one of the reasons why C4 plants are widely distributed in subtropical and tropical regions.
PEP, as a salt form of phosphoenolpyruvate, is a prominent chemical substance in life activities. Its high water solubility, stability, and purity make it suitable for biological and biochemical research