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11 Cards in this Set
- Front
- Back
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Apoenzyme
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Inactive converted to holoenzymes by cofactors
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Coenzyme
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One type of cofactor which is organic compounds
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Cofactor
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Chemical Species that participate in catalysis
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Essential Ion
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Type of Cofactor mostly metal ions
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Cosubstrate
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are substrates in enzyme catalyzed reactions
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Group Transfer Protein
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A protein that does not itself catalyze reactions but is required for the action of certain enzymes.
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Metal-activated enzyme
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An enzyme that either has an absolute requirement for specific metal ions or is stimulated by the addition of specific metal ions
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Metalloenzyme
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An enzyme that contains one or more firmly bound metal ions. sometimes metal ions constitute part of the active site of the enzyme and are active participants in catalysis
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Prosthetic Group
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A coenzyme that is tightly bound to an enzyme. Unlike a cosubstrate, remains bound to a specific site of the enzyme throughout the catalytic cycle of the enzyme
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Reactive Center
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The part of the coenzyme to which mobile metabolic groups are attached
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Holoenzyme
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biochemically active compound formed by the combination of an enzyme with a coenzyme
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