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Home > Biochemical Engineering > Amino Acids and Proteins (Find 232 items)

Amino Acids and Proteins

D-Tyrosine

(556-02-5)
D-Tyrosine, the stereoisomer to L-Tyrosine (T899975), is an amino acid used in various organic syntheses for antibiotics. It is used in the synthesis of (-)-anisomycin, as well as BATSI (boronic acid transition state inhibitors) which act on 尾-lactamases. It has also been studied as an inhibitor of microbial growth on surfaces, reducing microbial attachment to hydrophillic glass and hydrophobic polypropylene surfaces.

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DL-Proline

(609-36-9)
It is used for biochemical and nutritional research, microbiological test, and preparation of culture medium.

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DL-Valine

(516-06-3)
L form is an essential amino acid in humans.

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L-Asparagine, hydrate (1:1)

(5794-13-8)
L-Asparagine is a naturally occurring amino acid that is not an essential for humans and can be synthesized from central metabolic pathway intermediates.

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Magnesium glycinate

(14783-68-7)
Magnesium glycinate is a chelated form of magnesium that has high bioavailability and is often used in dietary supplements to maintain magnesium levels. Magnesium glycinate helps muscles relax and recover, and is often used by athletes to reduce muscle cramps and pain. In addition, it can be used to relieve stress and anxiety and improve sleep quality. Magnesium glycinate is beneficial for bone and joint health, supports bone density and promotes calcium metabolism. It also has a mild laxative effect on the digestive system and can help relieve constipation. In terms of the nervous system, it may help relieve migraines and support cognitive function and brain health. In addition, it can promote glucose metabolism and insulin sensitivity, and has a potential role in blood sugar regulation.

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Monosodium glutamate

(142-47-2)
Disodium glutamate, abbreviated DSG, (Na2C5H7NO4) is a sodium salt of glutamic acid. It used as a flavoring agent to impart umami flavor.

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D-Histidine

(351-50-8)
D-Histidine is the unnatural, biologically inactive isomer of L-Histidine. D-histidine is known to inhibit cell division, and is also used by certain types of bacteria (such as Escherichia coli) as a source of L-Histidine.

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Protein is the material basis of life. Without protein, there is no life. Every cell and all important components in the body have proteins involved. Amino acid (Aminoacid) is the basic unit that constitutes a protein, giving a specific molecular structure to the protein, so that his molecules have biochemical activity. Proteins are important active molecules in organisms, including enzymes and enzymes that catalyze metabolism. Different amino acids are chemically polymerized into peptides, the original fragments of a protein, which are precursors for protein production. The basic unit of protein is amino acids, which form peptide chains through dehydration and condensation. A protein is a biological macromolecule composed of one or more polypeptide chains. Each polypeptide chain has 20 to hundreds of amino acid residues; various amino acid residues are arranged in a certain order. The organelles that produce proteins are ribosomes.

Frequently Asked Questions

What are the main functions of amino acids and proteins in the human body?

Amino acids and proteins play essential roles in numerous physiological processes. Amino acids serve as the building blocks of proteins, which are crucial for tissue repair, enzyme and hormone production, immune function, and nutrient transport. Additionally, certain amino acids act as neurotransmitters or precursors to bioactive molecules. Understanding these functions is vital for applications in nutrition, pharmaceuticals, and biotechnology.

How are amino acids used in the pharmaceutical and nutraceutical industries?

In the pharmaceutical industry, amino acids are used to formulate intravenous solutions, develop therapeutic agents, and support drug delivery systems. In nutraceuticals, they are key ingredients in dietary supplements aimed at muscle recovery, cognitive health, and metabolic support. High-purity, pharma-grade amino acids must meet strict regulatory standards such as USP, EP, or JP to ensure safety and efficacy.

What is the difference between essential and non-essential amino acids?

Essential amino acids cannot be synthesized by the human body and must be obtained through diet or supplementation—examples include leucine, lysine, and valine. Non-essential amino acids, such as alanine and glutamine, can be produced endogenously. Both types are critical for protein synthesis and metabolic health, but essential amino acids are often prioritized in clinical nutrition and sports supplements due to their dietary dependency.

How are recombinant proteins produced and applied in biotechnology?

Recombinant proteins are produced by inserting target genes into host cells (e.g., E. coli, yeast, or mammalian cells) using genetic engineering techniques. These proteins are widely used in research, diagnostics, and therapeutics—including monoclonal antibodies, vaccines, and enzymes like insulin or growth hormones. Rigorous downstream processing and quality validation are required to ensure functionality, purity, and safety for biomedical applications.

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