The process of a protein folding from an inactive unfolded structure to theactive folded structure can be represented by the following equation: unfolded protein ⇌ folded proteinThe values of ΔH° and ΔS° for the folding of the protein lysozyme are: ΔH ° = -280 kJ/ mol ΔS ° = -790 J/mol • K(a) Calculate the value of ΔG° for the folding of lysozyme at 25 °C.(b) At what temperature would you expect the unfolding of lysozyme tobecome favorable? (c) At what temperature would the ratio of unfolded protein to foldedprotein be 1:5?
Enzyme kinetics
In biochemistry, enzymes are proteins that act as biological catalysts. Catalysis is the addition of a catalyst to a chemical reaction to speed up the pace of the reaction. Catalysis can be categorized as either homogeneous or heterogeneous, depending on whether the catalysts are distributed in the same phase as that of the reactants. Enzymes are an essential part of the cell because, without them, many organic processes would slow down and thus will affect the processes that are important for cell survival and sustenance.
Regulation of Enzymes
A substance that acts as a catalyst to regulate the reaction rate in the living organism's metabolic pathways without itself getting altered is an enzyme. Most of the biological reactions and metabolic pathways in the living systems are carried out by enzymes. They are specific for their works and work in particular conditions. It maintains the best possible rate of reaction in the most stable state. The enzymes have distinct properties as they can proceed with the reaction in any direction, their particular binding sites, pH specificity, temperature specificity required in very few amounts.
The process of a protein folding from an inactive unfolded structure to the
active folded structure can be represented by the following equation:
unfolded protein ⇌ folded protein
The values of ΔH° and ΔS° for the folding of the protein lysozyme are:
ΔH ° = -280 kJ/ mol
ΔS ° = -790 J/mol • K
(a) Calculate the value of ΔG° for the folding of lysozyme at 25 °C.
(b) At what temperature would you expect the unfolding of lysozyme to
become favorable? (c) At what temperature would the ratio of unfolded protein to folded
protein be 1:5?
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