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Amino Acids That Can Form Hydrogen Bonds

On the biochemical theory of amino acids
that can form hydrogen bonds. The genus of amino acids has those that can form hydrogen bonds. Its properties and uses are related to all kinds of biological functions.

Among the amino acids, serine has a hydroxyl group. Oxygen and hydrogen in this hydroxyl group can form hydrogen bonds with strong electronegative atoms of other substances, such as nitrogen and oxygen. The hydrogen of its hydroxyl group is partially positively charged, and those with strong electronegativity of other substances are partially negatively charged, and the opposite sex attracts, and hydrogen bonds are formed. This is very beneficial in the folded state of proteins, which can stabilize its conformation and make its work orderly.

Threonine is also similar, which also contains hydroxyl groups and can participate in the formation of hydrogen bonds. In the three-dimensional structure of the protein, with this hydroxyl group, it is linked to the surrounding groups to maintain the stability of the structure. If the structure is tenon and mortise, it is indispensable.

Asparagine and glutamine, both of which contain amide groups. The nitrogen and oxygen atoms in the amide group have lone pairs of electrons, which can form hydrogen bonds with hydrogen donors. And the hydrogen of the amide group can also be a hydrogen donor and attract hydrogen receptors. In the interaction between proteins and proteins, and proteins and ligands, this amide group is often relied on to form hydrogen bonds, which can be identified by affinity.

In addition, tyrosine has phenolic hydroxyl groups, and the indole ring of tryptophan contains nitrogen, which can also be involved in the formation of hydrogen bonds. The phenolic hydroxyl group of tyrosine is similar to the hydroxyl group of silk and threonine, and can form bonds with other substances. The indole cyclonitrogen of tryptophan has a lone pair electron, and can also form hydrogen bonds when meeting suitable hydrogen donors. It has its own uses in the fine structure and function of proteins.

In summary, amino acids such as serine, threonine, asparagine, glutamine, tyrosine, and tryptophan can form hydrogen bonds. These amino acids are key elements in the structural stability and function of biomolecules, and the biochemical delicacy can be seen from this.