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Hydrogen bonds between different parts of the polypeptide chain result in which level of protein structure?
Wiki User
∙ 11y ago
Tertiary structure
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoSecondary
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Is a quaternary structure a polypeptide sequence of amino acids?
No, the polypeptide sequence of amino acids is the primary structure of a protein. The quaternary structure of the protein is the non-covalent interactions (hydrophobic binding, van der wals forces etc..) between subunits/domains of a protein.
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.
What is the smallest structure between dipeptide amino acid polypeptide and protein?
Amino acid = Smallest building block of proteins; 20 of them. In this order. Amino acid < dipeptide ( two peptides ) < polypeptide (many peptides ) < Protein
The sequence of amino acids joined together refers to the?
Peptide sequence or amino acid sequence is the order in which amino acid residues, connected by peptide bonds, lie in the chain in peptides and proteins. The sequence is generally reported from the N-terminal end containing free amino group to the C-terminal end containing free carboxyl group. Peptide sequence is often called protein sequence if it represents the primary structure of a protein.
How are bonds between A-T and G-C different?
It is the hydrogen wich bonds between AT and GC the difference is in the number AT have 2 hydrogen bonds GC have 3 hydrogen bonds
What is the difference between interchain and intrachain hydrogen bonds in the secondary structure of proteins?
IntrAchain H-bonds stabalize bonds between the same polypeptide chain (alpha-helices). IntErchain- H-bonds stablized between different polypeptide chain. (beta- structures)
Differentiate between secondary and tertiary structure by describing the parts of the polypeptide chain that participates in the bonds that hold together each level of structure?
Secondary tertiary is the R groups interactions that are ionic. The polypeptide chain also has disulfide bond, and hydrophobic interactions.
What maintains the primary polypeptide structure?
Peptide bonds between the individual amino acids.
What type of interaction stabilizes the secondary structure of a protein causing it to form an alpha-helix?
In an α-helix, the polypeptide backbone forms a repeating helical structure that is stabilized by hydrogen bonds between a carbonyl oxygen and an amine hydrogen. These hydrogen bonds occur at regular intervals of one hydrogen bond every fourth amino acid and cause the polypeptide backbone to form a helix.
Betta pleated sheets are characterized by?
folds stabilized by hydrogen bonds between segments of the polypeptide backbone.
Is a quaternary structure a polypeptide sequence of amino acids?
No, the polypeptide sequence of amino acids is the primary structure of a protein. The quaternary structure of the protein is the non-covalent interactions (hydrophobic binding, van der wals forces etc..) between subunits/domains of a protein.
How does protein denatured?
It breaks the hydrogen bonds and hydrophobic interactions between different parts of the protein molecule. Proteins are composed of amino acid subunits linked together by peptide bonds—this is called a polypeptide and is also known as the primary structure of a protein. The primary structure interacts with itself (also known as folding) forming hydrogen bonds and hydrophobic interactions with different parts of the same molecule. Heat disrupts the hydrogen bonds and hydrophobic interactions leaving the protein to unfold when it is heated. Since heat is not strong enough to break the peptide bonds between the amino acid subunits, the primary structure remains intact. Once the protein is cooled again, the hydrogen bonds and hydrophobic interactions can reform since they are based on the makeup of the primary structure and it hasn't changed. :) Hope this helps.
What are the structure levels of proteins?
1st level, 2nd level, Tertiary, and Quaternary. The first level is just the different protein groups forming peptide bonds to create a polypeptide The second level consists of hydrogen bonds between the H and the O molecules in the proteins forming pleated and helical shapes The Tertiary structure is the interactions of different R groups binding to each other (many different types of bonds happen between the R groups) The Quaternary structure is many polypeptides interacting with each other
How can you distinguish between primary secondary tertiary and quaternary structures of proteins and can you give an example of each?
Primary structure of proteins refers to the exact sequence of the amino acids in the polypeptide chain. Secondary structure refers to the shape acquired by the backbone of the polypeptide chain when hydrogen bonds form between the carboxylic group of one amino acid and the amide group of another amino acid. there are two shapes in secondary structured proteins: Alpha Helix and Beta-pleated sheet tertiary structure refers to the shape taken up by the polypeptide chain as a result of bonds formed between the R-groups of the amino acids. three types of bonding may exist: Hydrgen bond, ionic bond and /or disulphide bonds.
The structure of a protein that involves the interaction between two distinct polypeptide chains is?
Protein is made up of amino acids and these acids have peptide bonds between them. As there are different numbers of amino acids in each type of protein, they have different number peptide bonds. Mostly all proteins are polypeptides.
What is a difference in the structure of proteins and polysaccharides?
Polysaccharides are essentially many carbon sugar "rings" linked together. They are carbohydrates, and our bodies break them down into monosaccharides (single "rings") to gain energy. To provide energy is their main function. In contrast, a peptide bond is formed between two amino acids via dehydration synthesis. Amino acids are the monomers for proteins within the body, who function in part to catalyze reactions and carry out other directions of DNA. Many peptide bonded amino acids = a polypeptide. The most basic difference would be that polypeptides are proteins, where as polysaccharides are carbohydrates.
What is the difference between the structure of a protein and an amino acid?
think of it like legos. single Lego pieces are like amino acids and they get bonded together to form a longer chain called a polypeptide. polypeptides bind to other polypeptides by hydrogen bonding to each other and form a protein with structure.
