A protein which has many sulfhydryl (-sh) groups may exhibit disulfide bridges tertiary structure.
<h3>What are disulfide bonds?</h3>
A disulfide bond is a covalent bond between two atoms of two (cysteine side chains). Large polypeptide chains (more than 200 amino acids) fold and form domains.
Some proteins have disulfide bridges, which are inter-chain interconnections or between parts of a chain, formed by the oxidation of cysteine radicals. Intracellular proteins generally lack disulfide bonds, while extracellular proteins often do.
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