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Cysteine: A Chemically Unique Amino Acid

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Cysteine: A Chemically Unique Amino Acid

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Questions and Answers

What is the unique feature of cysteine among amino acids?

Cysteine has a sulfhydryl group (-SH) dangling off its side chain.

How does cysteine contribute to protein structure and stability?

Cysteine can form disulfide bonds with other cysteine residues, creating bridges within the protein structure.

What role does cysteine's sulfhydryl group play in protein function?

Cysteine's sulfhydryl group can form strong chemical bonds known as disulfide bonds.

How does cysteine differ from other amino acids?

Cysteine's unique chemical properties, including its sulfhydryl group, set it apart from other amino acids. Signup and view all the answers

What is the significance of cysteine's sulfhydryl group in protein chemistry?

Cysteine's sulfhydryl group acts like a molecular Velcro and forms disulfide bonds with other cysteine residues. Signup and view all the answers

What is the unique feature of cysteine's side chain?

Sulfhydryl group (-SH) Signup and view all the answers

How does cysteine contribute to maintaining protein structure?

By forming disulfide bonds with other cysteine residues Signup and view all the answers

What is the function of cysteine's sulfhydryl group in protein chemistry?

Forming disulfide bonds Signup and view all the answers

What analogy is used to describe cysteine's sulfhydryl group in the text?

Molecular Velcro Signup and view all the answers

How does cysteine's sulfhydryl group enable diverse roles in proteins?

By enabling redox regulation and metal ion coordination Signup and view all the answers