Multiple Choice
Which of the following occurs when myoglobin folds into its native conformation?
4. Protein Structure
Protein Folding
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Draw each amino acid & determine which is most likely found in the blue regions of the folded protein below?
A
Asp.
B
Glu.
C
Ile.
D
Gln.
Verified step by step guidance1
Identify the properties of each amino acid listed: Aspartic acid (Asp) and Glutamic acid (Glu) are negatively charged and hydrophilic, Glutamine (Gln) is polar and hydrophilic, and Isoleucine (Ile) is nonpolar and hydrophobic.
Understand the significance of the blue regions in the protein structure. Typically, blue regions in protein diagrams represent hydrophobic areas, which are often found in the interior of the protein structure to avoid contact with water.
Consider the environment of the blue regions. Since these regions are likely hydrophobic, they would favor the presence of nonpolar amino acids.
Evaluate which amino acid is most likely to be found in the hydrophobic blue regions. Isoleucine (Ile), being nonpolar and hydrophobic, is more likely to be found in these regions compared to the other amino acids listed.
Conclude that Isoleucine (Ile) is the amino acid most likely to be found in the blue regions of the folded protein, as it aligns with the hydrophobic nature of these areas.
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