Define simple and conjugated protein. Provide some examples of conjugated proteins.
Question
Define simple and conjugated protein. Provide some examples of conjugated proteins.
Solution
Simple proteins are proteins that are made up of only amino acids. They do not contain any other chemical group. Examples of simple proteins include albumins, globulins, and histones.
On the other hand, conjugated proteins are proteins that are combined with a non-protein molecule, known as a prosthetic group. The prosthetic group can be a metal, a carbohydrate, a lipid, or a nucleic acid. The protein part of a conjugated protein is known as the apoprotein, while the non-protein part is known as the prosthetic group. The prosthetic group can be covalently or non-covalently attached to the protein.
Examples of conjugated proteins include:
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Glycoproteins: These are proteins that are conjugated with carbohydrates. An example is immunoglobulins, which are antibodies that play a crucial role in the immune response.
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Lipoproteins: These are proteins that are conjugated with lipids. They play a crucial role in the transport of lipids in the blood. An example is low-density lipoprotein (LDL), which transports cholesterol from the liver to the tissues.
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Metalloproteins: These are proteins that are conjugated with a metal ion. An example is hemoglobin, which contains iron ions and is responsible for the transport of oxygen in the blood.
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Nucleoproteins: These are proteins that are conjugated with nucleic acids. They are involved in the storage and transmission of genetic information. An example is chromatin, which is a complex of DNA and protein found in the nucleus of a cell.
Similar Questions
Why is haemoglobin described as a 'conjugated protein'?Question 7Select one:a.It contains more than one chain.b.It binds to oxygen.c.It is fixed to the cell membrane.d.It is not made entirely of amino acids.
Proteins are natural macromolecules. Draw the structural formula of a typical protein. Include three monomer units. You may represent amino acids by formulae of the type drawn below.
Most of the protein in the body is found as ____________ ____________.2. Proteins are the most diverse in both function and structure out of all organicmolecules because of their diverse ____________.3. Contractile proteins work closely with ____________ proteins.4. ____________ is the iron-containing protein found in blood which moves oxygenfrom the lungs to other parts of the body.5. Enzymes act as ____________ ____________, meaning they affect the speed ofa chemical reaction without being changed itself.6. ____________ amino acids can be created in the body and are not required in thediet.7. Also attached to the alpha carbon is a single ____________ atom and a chemicalgroup denoted by the letter ____.8. Proteins are created by one or more ____________ chains.9. The slightest change in the amino acid sequence can alter the overall____________, and therefore, ____________ of the protein.10. Almost all tertiary structures can be described as ____________, meaninground, or ____________, meaning rod-like.11. The last structural level is the ____________ structure.12. When polypeptide chains unravel and lose their specific shape and thereforelose their function, it is known as ____________.13. When you take in protein through food, it is broken down in the ____________by ____________ into smaller polypeptides for the body to use.14.To determine the amount of protein you should be taking in each day, you mustfirst determine your ideal _________________.
Cytochrome are :-Simple proteinS-containing proteinConjugated proteinMn containing protein
Insulin is a conjugated protein
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