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Answered 2011-02-09 22:05:38

the overall three-dimensional structure.

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Globular or fibrous polypeptide chains are what type of protein structure?

Tertiary structure.


Hydrogen ion concentration for pH 5?

tertiary structure in a polypeptide


Quaternary structure of protein?

The quaternary structure is the overall structure of an enzyme complex. This is made of at least two separate polypeptide chains. The 3D structure of one polypeptide is known as the tertiary structure.


What kind of tertiary structure does a polypeptide make?

It depends on the polypeptide. There are multiple bond types that results in multiple shapes. It order for the diversity of proteins to exist, there needs to be variations in tertiary structures. There won't be two different types polypeptides that have the same tertiary structure.


The characteristic globular shape of a polypeptide is?

tertiary structure -------------------------- I would have said spherical.


Proteins with more than one polypeptide chain have what structure?

These have quaternary structure. This is the overall shape of all the chains combined. The 3D shape of one polypeptide chain is the tertiary structure.


What is the level of protein structure that describes all aspects of the three-dimensional folding of a polypeptide?

tertiary structure


What is the relationship between the primary and tertiary 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)


The overall three-dimensional shape of a polypeptide is called the?

It is called the tertiary structure of a protein. 'Clumping' two or more tertiary protein structures together yields the quaternary form, or shape.


The overall three-dimensional shape of a single polypeptide is called the?

It is called the tertiary structure.


A protein folded into a globular shape in having only one polypeptide chain has what structure?

tertiary


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.


How can you distinguish between primary secondary tertiary and quaternary structures of proteins and can you give an example of each?

the primary structure of a protein is its linear sequence of amino acids. In discussing protein structure, three further levels of structural complexity are customarily invoked: • Secondary structure is the local spatial arrangement of a polypeptide's backbone atoms without regard to the conformations of its side chains. • Tertiary structure refers to the three-dimensional structure of an entire polypeptide. • Many proteins are composed of two or more polypeptide chains, loosely referred to as subunits. A protein's quaternary structure refers to the spatial arrangement of its subunits.


What are the differences among primary secondary and tertiary structure in protein?

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.


What is the teritary structure of a protein?

The tertiary structure of a protein is just how a polypeptide folds up into a "glob" or a "pretzel-like" shape. Primary structure determines secondary and tertiary structure of a protein. Usually a tertiary protein is held together Disulfide bonds like those found in a Cysteine residue.


What are the forces which create the tertiary structure of a polypeptide?

Four of them are; hydrophobic and hydrophilic interactions, hydrogen bonding and disulphide bridging.


How does the structure of a polypeptide differ from that of a protein?

A polypeptide is a short protein strand.A protein can be made up of a single polypeptide chain, or a protein can be made up of many polypeptide chains joined together. The main difference between a polypeptide and a protein is their level of structure. A polypeptide chain has three levels of structure: primary structure, secondary structure, and tertiary structure.Primary structure is the structure formed when amino acid groups bond together (peptide bonds) to form a polypeptide chain.Secondary structure is the structure formed when the polypeptide chain begins folding and twisting itself, forming "alpha helices" and "beta-pleated sheets." Hydrogen bonding between individual amino acid groups is what causes the twists and folds.Tertiary structure is the structure formed when a polypeptide chain begins forming other bonds with itself, such as hydrophobic interactions and disulphide bridges. These bonds further reinforce the polypeptide's structure.At this point, a polypeptide would be complete. Simple proteins that are only one polypeptide chain would also be complete at this stage. However, more complex proteins have a fourth level of structure known as quaternary structure.Quaternary structure is the structure formed when many polypeptide chains group together to form a much larger protein. As few as two polypeptide chains may group together, giving the protein quaternary structure.


What are the example of tertiary structure protein?

Hemoglobin - formed with alpha helices and/or beta sheets, but as one, contiguous polypeptide. Superoxide dismutase would be a good example of a quaternary structure protein, since it is made of more than one polypeptide chain.


Different structure of protein?

Proteins are biological polymers composed of amino acids. Amino acids, linked together by peptide bonds, form a polypeptide chain. One or more polypeptide chains twisted into a 3-D shape form a protein. Proteins have complex shapes that include various folds, loops, and curves


Quarternary structure of protein?

Primary structure: one polypeptide chain, made up of amino acids joined together with peptide bondsSecondary structure: primary structure hydrogen-bonds to itself to create alpha helices and beta sheets as wellTertiary structure: secondary structure folds on itself and binds with hydrogen bonds and disulfide bonds to create a single polypeptide folded protein conformationQuaternary structure: tertiary structures join together to form dimers, trimers, tetramers, etc. in a larger protein structure


Describe the four levels of protein structure?

The four levels of protein structure are distinguished from one another by the degree of complexity in the polypeptide chain. A single protein molecule may contain one or more of the protein structure types: primary, secondary, tertiary, and quaternary structure.


How tertiary structure is stabilized?

The foldings of the tertiary structure are generally monitored by proteins called "chaperonins". These protein complexes have two rings that are stacked on top of each other like a cylinder. The complex has enough room to contain the polypeptide for folding into its 3-d shape.


What is different about tertiary and quaternary proteins?

Quaternary are the complex structure formed by the interaction of 2 or more polypeptide chains. Tertiary are the folding back of a molecule upon itself and held together by disulfide bridges and hydrogen bonds.


What is a tertiary protein structure exemplified by?

A tertiary protein structure is exemplified by insulin.


Is collagen a secondary or tertiary structure?

With most proteins, it has a secondary and tertiary structure.