Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

18. Amino Acids and Proteins

Tertiary Protein Structure

GOB Chemistry

18. Amino Acids and Proteins

Tertiary Protein Structure

Previous problemNext problem

0:59 minutes

Problem 59a

Textbook Question

Identify the amino acids and type of interaction that occurs between the following R groups in tertiary protein structures:
a.

Verified step by step guidance

Examine the R groups of the amino acids in the provided image. Identify the functional groups present in each R group, such as hydroxyl (-OH), carboxyl (-COOH), amine (-NH2), or nonpolar hydrocarbon chains.

Determine the specific amino acids based on the structure of their R groups. For example, if the R group contains a hydroxyl group attached to a benzene ring, it is likely tyrosine.

Classify the type of interaction that can occur between the two R groups. Common interactions in tertiary protein structures include hydrogen bonding, ionic interactions, hydrophobic interactions, and disulfide bonds.

Match the identified amino acids to their respective interaction types. For example, if one R group has a carboxyl group and the other has an amine group, the interaction is likely ionic.

Summarize the findings by naming the amino acids and specifying the type of interaction that occurs between their R groups in the tertiary protein structure.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above

Video duration:

59s

Play a video:

Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Amino Acids

Amino acids are the building blocks of proteins, consisting of a central carbon atom, an amino group, a carboxyl group, a hydrogen atom, and a variable R group (side chain). The properties of the R groups determine the characteristics of the amino acids, influencing how they interact with each other and fold into specific three-dimensional structures. Understanding the nature of these R groups is essential for analyzing protein interactions.

Tertiary Structure

The tertiary structure of a protein refers to its overall three-dimensional shape, formed by the folding and interactions of its polypeptide chains. This structure is stabilized by various interactions among the R groups of amino acids, including hydrogen bonds, ionic bonds, hydrophobic interactions, and disulfide bridges. The tertiary structure is crucial for the protein's functionality and biological activity.

Types of Interactions

In tertiary protein structures, several types of interactions occur between R groups, including hydrophobic interactions, where nonpolar side chains cluster away from water; hydrogen bonds, which form between polar side chains; ionic bonds, which occur between positively and negatively charged side chains; and disulfide bridges, which are covalent bonds formed between cysteine residues. Recognizing these interactions is vital for understanding how proteins achieve their functional conformations.

Watch next

Master Tertiary Protein Structure Concept 1 with a bite sized video explanation from Jules

Start learning

Related Videos

Related Practice

Textbook Question

How do the following noncovalent interactions help to stabilize the tertiary and quaternary structure of a protein? Give an example of a pair of amino acids that could give rise to each interaction.

a. Hydrophobic interactions

758

views

Multiple Choice

Which of the following amino acid pairs are the most likely to form hydrogen bonds?

519

views

Multiple Choice

Which of the following amino acid pairs can form a salt bridge?

713

views

Textbook Question

Both α-keratin and tropocollagen have helical secondary structure. How do these molecules differ in (a) amino acid composition and (b) three-dimensional structure?

607

views

Textbook Question

Identify the amino acids and type of interaction that occurs between the following R groups in tertiary protein structures:

c. —CH₂—SH and HS—CH₂—

542

views

Textbook Question

What type of interaction would you expect between the following in a tertiary structure?

a. threonine and glutamine

704

views

Textbook Question

If glutamate were replaced by proline in a protein, how might the tertiary structure be affected?

1055

views

Textbook Question

Consider the amino acids histidine, phenylalanine, and serine in an enzyme. State which of these amino acids have R groups that would:

d. form salt bridges

446

views

Show more practices

Download the Mobile app

Privacy

Do not sell my personal information

Accessibility

Patent notice

Sitemap

Identify the amino acids and type of interaction that occurs between the following R groups in tertiary protein structures:a.

Key Concepts

Amino Acids

Tertiary Structure

Types of Interactions

Watch next

Identify the amino acids and type of interaction that occurs between the following R groups in tertiary protein structures:
a.