Definitions of Enzyme Classes | Enzyme Classes Examples | How do enzymes affect | Mechanisms of Catalysis | Substrate-enzyme specificity |
---|---|---|---|---|
oxidoreductase
What enzymes are responsible for redox reactions?
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transferase
kinase, polymerase
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increase
How do enzymes affect reaction rate?
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cofactors
What is the general term for any species required by an enzyme to function?
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substrate
What is the name for a molecule that is acted upon and converted to a product by an enzyme?
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transferase
What enzymes transfer a functional group?
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hydrolase
protease, phosphatase, lipase
|
no change
How do enzymes affect equilibrium?
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prosthetic groups
Which non-protein species ARE permanently attached to enzymes and are REQUIRED by the enzyme to function?
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active site
What is the part of an enzyme where the substrate is converted to product called?
|
ligase
What enzymes join two molecules together via covalent bonds?
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isomerase
mutase, epimerase
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decrease
How do enzymes affect energy of activation?
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coenzymes
Which non-protein species are NOT permanently attached to enzymes BUT are REQUIRED by the enzyme to function?
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Enzyme-substrate complex
What is the term for what is formed when the substrate is bound in the active site?
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isomerase
What enzymes rearrange bonds of a molecule?
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lyase
decarboxylase, aldolase
|
no change
How do enzymes affect Keq?
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prosthetic groups
Heme and ubiquinone are common examples of which type of cofactor?
|
apoenzyme
Wildcard: What is a simple protein (only amino acids, no non-protein cofactors) that is an enzyme called?
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lyase
What enzymes dissociate molecules without using water?
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oxidoreductase
lactate dehydrogenase
|
no change
How do enzymes affect yield of a reaction?
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Vitamins!
What are the most common coenzymes?
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holoenzyme (ex. hemoglobin - contains non-protein heme group)
Wildcard: What is a conjugated protein (associated with cofactors) that is an enzyme called?
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