Enzymes 2: Catalysis Mechanisms

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6 Terms

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Free Energy Diagrams

Diagram shows energy changes between ground states and transition states during reactions

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<ol><li><p>ground states</p></li><li><p>transition states</p></li><li><p>intermediates</p></li><li><p>activation energies</p></li><li><p>binding energy</p></li></ol><p></p>

  1. ground states

  2. transition states

  3. intermediates

  4. activation energies

  5. binding energy


Free energy diagrams much show: [5]

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It uses Binding energy from the interactions between the enzyme and transition state

The enzyme is able to lower the free energy of the transition state because it uses what?

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Each interaction includes a small release of free energy that stabilizes the interaction

How is noncovalent (binding energy) free energy able to lower activation energy?

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Specificity

the ability to discriminate between a substrate and a competing molecule

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Specific matching

the many weak interactions between the enzyme and substrate result in: