For each of the following amino acids: 1) describe what the important functional group of the amino acid side chain is, 2) identify the charge of the side chain, 3) name another component in the structure that the amino acid might interact with, and 4) indicate how the interaction with the component listed in 3) might be occurring (i.e., electrostatic interaction, hydrogen bond, hydrophobic interaction, etc.) a) Asp153 b) Arg166 c) Lys167
Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.
For each of the following amino acids: 1) describe what the important functional group of the amino acid side chain is, 2) identify the charge of the side chain, 3) name another component in the structure that the amino acid might interact with, and 4) indicate how the interaction with the component listed in 3) might be occurring (i.e., electrostatic interaction, hydrogen bond, hydrophobic interaction, etc.)
a) Asp153
b) Arg166
c) Lys167
- Proteins are made up of amino acids. Each amino acid has a distinct side chain, also referred to as a R group, which determines its properties and functions.
- The side chain can be non-polar (hydrophobic), polar (hydrophilic), charged (positive or negative), or sulfur-containing.
- These various properties influence the amino acid's interactions with its environment, which in turn influences its role in protein structure and function.
- The overall characteristics and functional capabilities of the protein are determined by the interaction of various amino acids and their side chains.
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