BCHE 395-11 2013 Enzymes Intro

Energy higher stability than that for the uncatalyzed

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Unformatted text preview: with addiKon of catalyst! S ⇌ P Extent of the reacKon à༎ 21 ReacKon Rates, Equilibria and Thermodynamics •  S ⇌ P; K’eq = [P]/[S] where K’eq is the equilibrium constant for the reacKon à༎ *linked to ΔG’° •  Catalysts DO NOT change the equilibrium constant of a reacKon –  K’eq à༎ same in the presence/absence of R g as onstant à༎ c T à༎ Kelvin temp the enzyme in the reacKon •  *From Thermodynamics: ΔG’° = - RTlnK’eq (Chapt 13) 22 ReacKon Rates, Equilibria and Thermodynamics •  S ⇌ P; K’eq = [P]/[S] where K’eq is the equilibrium constant for the reacKon à༎ *linked to ΔG’° •  What DOES change is the rate or velocity of the reacKon •  The rate of reacKons is determined by the [S] and a rate constant k à༎ V = k[S] à༎ rate equaKon •  From TransiKon State Theory, we c...
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This note was uploaded on 03/02/2014 for the course BIOCHEMIST 395 taught by Professor Potenza during the Spring '14 term at NMSU.

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