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Secondary protein structure

Updated: 9/13/2023
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13y ago

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The secondary structure of protein:

  • the ordered 3-d arrangements in localized area of a polypeptide chain
  • interactions of the peptide backbone (s-trans and planar)
  • example of secondary structure : alpha-helix and beta-pleated sheet
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Q: Secondary protein structure
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Related questions

The alpha helix and beta pleated sheet represent which level of protein structure?

The alpha helix and beta sheets are found at the Secondary level of protein folding. It's when the protein is taking its shape. Secondary structure


What level of protein structure is represented by the coiling of the protein chain backbone into an alpha helix?

The coiling of the protein chain background into an alpha helix is the secondary structure. This is caused by the H-bonded arrangement of the backbone of th protein.


Which levels of structural organization are lost when a protein is denatured?

The secondary and tertiary structures.


Differentiate the four types of protein structure?

There are four types of protein structure. These include primary structure, secondary structure, tertiary structure, and quaternary structure. Primary structure is the amino acid sequence. Secondary structure is the shape of the molecule. Tertiary structure is the interaction between groups. Quaternary structure is the interactions between protein subunits.


What is the coiling or sheetlike structure of a protein called?

It is called secondary structure of proteins .


What level of protein structure is a spatial arrangement of the secondary structure?

hydrogen bonds


What are the subgroups of protein?

There are four distinct levels of protein structure. The main two are primary, amino acid, secondary structure, and quaternary structure.


What causes the secondary structure of protein to differ in length from the primary?

The primary structure is a one or two dimensional structure, whereas the secondary structure is a three dimensional structure in which different parts of the protein molecule bend and twist due to the formation of hydrogen bonds between atoms. This makes the secondary structure shorter than the primary structure.


Does the secondary structure of a protein involve only the sequence of amino acids found in that protein?

While it is possible to predict likely secondary structures of a protein from its primary structure, only knowing the secondary structure, the general 3-D shape of local areas of the protein, cannot yield the primary structure.


What structural level of a protein most affected by a disruption in hydrogen bonding?

The structural level of a protein is most affected by disruption would be the secondary structure. It is within the secondary structure where the folding and coiling of the protein is stabilized by hydrogen bonds.


The coiling of the protein chain backbone into an alpha helix is referred to as?

The coiling of the protein chain backbone into an alpha helix is referred to as the secondary structure. It is composed of several polypeptide chains.


Primary protein structure is dependent on?

Primary protein structure is the order of amino acids that compose the protein and their arrangement into 2 dimensional structures like sheets or helixes is secondary. Tertiary structure is the mixed composition of secondary forms to make a three dimension protein and quaternary structure is how the protein becomes part of a functional unit like hemoglobin inside of a blood molecule.