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Is collagen a secondary or tertiary structure?
Collagen is a primary protein structure, composed of three polypeptide chains that form a unique triple helical structure. This triple helical structure is considered the primary structure of collagen.
Why protein is called primary structure?
Proteins *have* primary, secondary, tertiary, and quarternary structures. The primary structure is simply the chain of amino acids without any other structure. Secondary structure results from folding of the chain to form rudimentary structures such as alpha helices, beta sheets and turns. Tertiary structure results from the further folding of the protein with secondary structures into different 3D shapes by interactions between different parts of the secondary structure. Quarternary structure results from different proteins with tertiary structures coming together to form a protein complex.
What bonds hold together a polypeptide?
A polypeptide is held together by covalent peptide bonds, which are formed through a condensation reaction between the carboxyl group of one amino acid and the amino group of another. These covalent bonds create the primary structure of a protein.
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)
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 three-dimensional shape of a polypeptide is associated with its?
primary structure
What is the primary level of the protein structure?
Just the polypeptide chain of amino acids.
What maintains the primary polypeptide structure?
Peptide bonds between the individual amino acids.
What is protein primary structure?
it's a genetically coded sequence of amino acids in a polypeptide chain
What chain is a sequence of amino acids that is the foundation for the basic structure of a protein?
A polypeptide chain is a sequence of amino acids that forms the primary structure of a protein. This chain is held together by peptide bonds between adjacent amino acids.
What is the linear sequence of amino acids in a polypeptide chain is called?
The linear sequence of amino acids in a polypeptide chain is called the primary structure. It is determined by the specific order of amino acids in the chain, which is encoded by the sequence of nucleotides in the gene that codes for the protein.
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 the primary structure of myoglobin?
The primary structure of myoglobin is a linear sequence of amino acids linked together by peptide bonds. It consists of a single polypeptide chain with a specific sequence of amino acids that determines its overall structure and function.
What is the name given to the protein molecule when is consists of a basic polypeptide chain?
The protein molecule is called a polypeptide when it consists of a basic chain of amino acids. A polypeptide chain folds into a specific 3D structure to become a functional protein.
Is collagen a secondary or tertiary structure?
Collagen is a primary protein structure, composed of three polypeptide chains that form a unique triple helical structure. This triple helical structure is considered the primary structure of collagen.
Which level of protein structure consist of a simple strand of amino acids?
The primary structure of a protein consists of a simple linear sequence of amino acids linked by peptide bonds. This level of structure is determined by the specific order of amino acids in the polypeptide chain.
Which primarily responsible for the helical structure of a polypeptide chain?
The primary structure of a polypeptide chain, consisting of a sequence of amino acids, is primarily responsible for the helical structure of a polypeptide chain. In particular, the recurring hydrogen bonding between the carbonyl oxygen of one residue and the amide hydrogen of another residue stabilizes the helical conformation, leading to the formation of an alpha helix.
