discuss the IUB system of classification of enzymes with an example of each type.
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Answer:
classification of enzyme according to iub
Oxidoreductases
These catalyze oxidation and reduction reactions, e.g. pyruvate dehydrogenase, catalysing the oxidation of pyruvate to acetyl coenzyme A.
Transferases
These catalyze transferring of the chemical group from one to another compound. An example is a transaminase, which transfers an amino group from one molecule to another.
Hydrolases
They catalyze the hydrolysis of a bond. For example, the enzyme pepsin hydrolyzes peptide bonds in proteins.
Lyases
These catalyze the breakage of bonds without catalysis, e.g. aldolase (an enzyme in glycolysis) catalyzes the splitting of fructose-1, 6-bisphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate.
Isomerases
They catalyze the formation of an isomer of a compound. Example: phosphoglucomutase catalyzes the conversion of glucose-1-phosphate to glucose-6-phosphate (phosphate group is transferred from one to another position in the same compound) in glycogenolysis (glycogen is converted to glucose for energy to be released quickly).
Ligases
Ligases catalyze the association of two molecules. For example, DNA ligase catalyzes the joining of two fragments of DNA by forming a phosphodiester bond
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Answer:
According to the International Union of Biochemists (I U B), enzymes are divided into six practical training and are categorized primarily based totally on the form of response wherein they're used to catalyze. The six varieties of enzymes are hydrolases, oxidoreductases, lyases, transferases, ligases, and isomerases.
classification of enzymes with an example
Oxidoreductases
These catalyze oxidation and discount reactions,
example: pyruvate dehydrogenase, catalyzing the oxidation of pyruvate to acetyl coenzyme.
Transferases
These catalyze the moving of the chemical organization from one to some other compound. An instance is a transaminase, which transfers an amino organization from one molecule to some other.
example: An example is acyl transferases that catalyze the transfer of acyl groups. An example is a peptidyl transferase
Hydrolases
They catalyze the hydrolysis of a bond. For instance, the enzyme pepsin hydrolyzes peptide bonds in proteins.
Lyases
breakage of bonds of this enzyme is without catalysts,
for example:. aldolase (an enzyme in glycolysis) catalyzes the splitting of fructose-1, 6-bisphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate.
Isomerases
They catalyze the formation of an isomer of a compound.
Example: phosphoglucomutase catalyzes the conversion of glucose-1-phosphate to glucose-6-phosphate (phosphate organization is transferred from one to some other function withinside the equal compound) in glycogenolysis (glycogen is transformed to glucose for electricity to be launched quickly).
Ligases
Ligases catalyze the affiliation of molecules. For instance, DNA ligase catalyzes the becoming a member of fragments of DNA by forming a phosphodiester bond.
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