What is glycine?
Glycine or glycine is the simplest and smallest amino acid obtained from the hydrolysis of proteins and is known as the "building block" of proteins.
This compound is also known as diaminoacetic acid and its chemical formula is NH2CH2COOH. The human body alone is able to produce it and it is found in protein-rich foods such as meat, fish, dairy and legumes.
Its molecular structure plays an important role in its function and properties. This compound consists of a central carbon atom bonded to an amino group (NH2), a carboxyl group (COOH) and a hydrogen atom.
Amino acid group: The amino group of glycine is responsible for its essential properties. It consists of one nitrogen atom bonded to two hydrogen atoms. The nitrogen atom forms a covalent bond with the central carbon atom and polarizes the amino group. This polarity allows glycine to act as a weak base, accepting a proton and becoming positively charged under acidic conditions.
Carboxyl group: The carboxyl group of glycine is responsible for its acidic properties. It consists of a carbon atom bonded to an oxygen atom and a single bond to a hydroxyl group (OH-). This group turns glycine into a weak acid, donates a proton and takes a negative charge in the initial state.
The central carbon atom of glycine is bonded to both amino and carboxyl groups along with a hydrogen atom and a side chain. In the case of glycine, this side chain is a hydrogen atom, making it the only non-chiral (mirror image) amino acid.
One of the most obvious physical properties of glycine is its solubility in water. This amino acid is very soluble in water and forms a homogeneous solution. Its solubility level is 25 g/100 ml at 25°C. This property makes it ideal for use in various biological and chemical processes that require a water-based medium. This property also allows the body to efficiently transport glycine for various functions.
Glycine in its purest form is a white, odorless and tasteless crystalline solid. Glycine also has a relatively low melting point of 240°C, which makes it easy to convert from solid to liquid. This property is useful in the production of pharmaceuticals and other chemical compounds, where precise melting and dissolution temperatures are required.
Glycine is very stable at room temperature, which makes it easier to store in large quantities. The chemical properties of glycine make it a unique compound for various biological processes.
One of the most important chemical properties of glycine is its polar nature. Glycine has a positively charged amino group (NH2) and a negatively charged carboxyl group (COOH), making it an amphoteric molecule. This polarity allows glycine to easily interact with other molecules and is an important component in many biochemical reactions.
Acidic properties: Glycine has a relatively low pKa value of 2.34
| Company | جویا شیمی |
|---|---|
| Tel | +98 21-3×××1050 |
| Mobile | +98 902×××4309 |
| Website | https://www.jooyashimi.ir/ |
| Country | Iran |
| Province | Tehran |
| Address | تهران، میدان افسریه، بزرگراه امام رضا بین میدان آقانور و گردنه تنباکویی ،دست چپ بازار کیمیا، واحد ۱۰۶ |
