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The number and sequence of amino acids

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Why is the primary structure of a protein important in order to carry out its activity especially if this protein has a catalytic activity?

The primary structure of a protein is the sequence of amino acids in each of its chains. (Some proteins have more than one chain.)This sequence determines how each chain coils and turns (the secondary structure), and in turn how the whole molecule folds (the tertiary structure). The correct primary structure is essential for the chain to acquire the correct three-dimensional (3-D) shape.Some amino acids have negative charges on them at physiological pH; some positive. This will influence how different sections of a chain attract and repel one another, and in turn this affects the final shape. Also, one of the amino acids can form sulfur-sulfur cross-links between different parts of the chain. Hydrogen bonding can hold different sections of a chain in position, too, and this will only occur between certain amino acids.If the protein is an enzyme, it has one or more active sites. Each of these has a shape that is complementary to part of the relevant substrate. So the enzyme must have the correct shape if it is to exhibit catalytic activity.


The level of protein structure primarily involved in determining enzyme activity is the?

The level of protein structure primarily involved in determining enzyme activity is the tertiary structure. This three-dimensional arrangement of the protein allows for the correct positioning of active sites and substrates, facilitating the catalytic function of the enzyme. Changes in the tertiary structure can significantly affect enzyme activity, potentially leading to loss of function.


Is a movie a primary source?

No, bibliographic refers to books.


What is the primary government structure in New Zealand?

New Zealand is a parliamentary democracy.


Is pediasure a proteine shake?

Pediasure is a nutritional drink designed for children that provides a balance of protein, carbohydrates, vitamins, and minerals. While it does contain protein, its primary purpose is to support overall growth and development in children rather than serve solely as a protein shake. It's often recommended for children who may have difficulty meeting their nutritional needs through regular diet.

Related Questions

What is the level of protein structure is the amino acid sequence of the protein?

The primary structure of a protein refers to the linear sequence of amino acids in the polypeptide chain. It is the simplest level of protein structure that ultimately determines the overall shape, function, and properties of the protein.


What is the Primary level of a protein structure?

The primary level of protein structure refers to the linear sequence of amino acids in a protein chain. It is the simplest level of protein structure and is determined by the specific order of amino acids encoded by the DNA sequence.


Does Myoglobin have a primary structure?

Yes, myoglobin does have a primary structure, which refers to the linear sequence of amino acids that make up the protein molecule. This primary structure is important for determining the unique function of myoglobin.


Which level of protein structure is unaffected when a protein is denatured?

The primary structure


The order of amino acids in a protein is called?

The order of amino acids in a protein is called its primary structure. This sequence is crucial for determining the protein's function and three-dimensional structure. Any alterations in the primary structure can lead to changes in the protein's properties and functions.


What are the four structure levels of a protein?

The four levels of protein are: 1) Primary Structure 2) Secondary Structure 3) Tertiary Structure 4) Quaternary Structure The primary structure is just the amino acids bonded to each other in a linear fashion. Secondary structure is where the alpha-helices, beta-sheets, and b-turns come into play. The tertiary structure is when a single amino acid chain forms a 3D structure. And lastly, the quaternary stuture is when 2 or more tertiary structures complex.


What occurs in the tertiary but not primary structure of protein?

In protein structure, tertiary structure refers to the overall three-dimensional folding of a polypeptide chain, which is stabilized by various interactions such as hydrogen bonds, ionic bonds, hydrophobic interactions, and disulfide bridges. This level of structure is crucial for the protein's functionality and is not present in primary structure, which is merely the linear sequence of amino acids. While primary structure defines the sequence, tertiary structure determines how that sequence folds into a functional shape.


What is primary structure of a protein and what causes it?

Primary structure of the protein is simply its amino acid sequence. It is the sequence in which amino acids are added during protein synthesis.


Which level of protein structure may be stabilized by covalent bonds?

Primary, tertiary and quaternary levels of protein structure.


What is the main structure of protein molecules?

Proteins are made up of long chains of amino acids that are folded into a specific 3D structure. This structure is crucial for the protein to function properly. The primary structure refers to the specific sequence of amino acids in the chain, while the secondary structure involves the folding of the chain into alpha helices and beta sheets. Tertiary structure refers to the overall 3D shape of the protein, while quaternary structure involves the arrangement of multiple protein subunits.


How is tertiary protein structure dependent on primary protein structure?

The relationship between the primary and tertiary structure of a protein is the both have a sequence of amino acids in a polypeptide chain.orThe sequence of amino acids in a primary structure determines its three-dimensional shape ( secondary and tertiary structure)


Is the structure of protein primary?

The primary structure of proteins is simply a peptide (chain of amino acids).