Cysteine, amino acid contains sulfur atoms that form covalent disulfide bonds and stabilize the tertiary structure in some proteins.
Organic substances known as amino acids are primarily made up of nitrogen, carbon, hydrogen, and oxygen. Twenty distinct amino acids are required by your body for growth and optimal operation. All 20 of them are crucial for your health, but only 9 are considered to be absolutely necessary.
Organic molecules called proteins are found in all living things. They perform a wide range of tasks, such as transportation, organizing, and defence. Proteins have up to four different layers of structure and are made up of chains of amino acids.
An S- anion from one sulfhydryl group acts as a nucleophile, attacking the side chain of a second cysteine to create a disulfide bond, and in the process releases electrons (reducing equivalents) for transfer. Disulfide bond formation involves a reaction between the sulfhydryl (SH) side chains of two cysteine residues.
Hence, cysteine, amino acid contains sulfur atoms that form covalent disulfide bonds and stabilize the tertiary structure in some proteins.
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