미해결 질문
Draw in the R-groups from memory for each of the charged amino acids at physiological pH.
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3. Amino Acids
Charged Amino Acids
객관식
Which amino acid commonly forms disulfide bonds in proteins through oxidation of its thiol () side chain?
A
Cysteine
B
Lysine
C
Aspartate
D
Histidine
검증된 단계별 안내1
Understand that disulfide bonds in proteins are covalent bonds formed between the sulfur atoms of two amino acid side chains.
Recall that the amino acid side chain containing a thiol group (−SH) is capable of oxidation to form a disulfide bond (−S−S−).
Identify which amino acid has a thiol (−SH) group in its side chain; among the options, cysteine contains this group.
Recognize that during protein folding, two cysteine residues can be oxidized to form a disulfide bond, stabilizing the protein's tertiary or quaternary structure.
Conclude that cysteine is the amino acid responsible for forming disulfide bonds through oxidation of its thiol side chain.
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