A group of membrane proteins can be extracted from membranes only by using detergents. All the proteins in this group have a similar amino acid sequence at their C-terminus: -KKKKKXXC (where K stands for lysine, X stands for any amino acid, and C stands for cysteine). This sequence is essential for their attachment to the membrane. What is the most likely way in which the C-terminal sequence attaches these proteins to the membrane? The cysteine residue is covalently attached to a membrane lipid. The peptide spans the membrane as an α helix. The peptide spans the membrane as part of a β sheet. The positively charged lysine residues interact with an acidic integral membrane protein.
A group of membrane proteins can be extracted from membranes only by using detergents. All the proteins in this group have a similar amino acid sequence at their C-terminus: -KKKKKXXC (where K stands for lysine, X stands for any amino acid, and C stands for cysteine). This sequence is essential for their attachment to the membrane. What is the most likely way in which the C-terminal sequence attaches these proteins to the membrane? The cysteine residue is covalently attached to a membrane lipid. The peptide spans the membrane as an α helix. The peptide spans the membrane as part of a β sheet. The positively charged lysine residues interact with an acidic integral membrane protein.
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter10: From Proteins To Phenotypes
Section: Chapter Questions
Problem 20QP: If an extra nucleotide is inserted in the first exon of the beta globin gene, what effect will it...
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A group of membrane proteins can be extracted from membranes only by using detergents. All the proteins in this group have a similar amino acid sequence at their C-terminus: -KKKKKXXC (where K stands for lysine, X stands for any amino acid, and C stands for cysteine). This sequence is essential for their attachment to the membrane. What is the most likely way in which the C-terminal sequence attaches these proteins to the membrane?
- The cysteine residue is covalently attached to a membrane lipid.
- The peptide spans the membrane as an α helix.
- The peptide spans the membrane as part of a β sheet.
- The positively charged lysine residues interact with an acidic integral membrane protein.
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