10.02.2014 Views

Clase 4 2da parte - Pedeciba

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Glucosa Glucosa-6-P Fructosa-6-P Piruvato<br />

Glucosa-6-P Fructosa-6-P G o = + 1.7 kJ/mol<br />

¿Cuál es la Keq de esta reacción?<br />

G º’ = -RT ln K eq K eq = e - Gº’ / RT = 0.52<br />

Quiere decir que el equilibrio hay [F6P]/[G6P] = 0.52<br />

o sea hay 34% de F6P y 66% de G6P<br />

¿Qué sucede en la célula?<br />

83 µM 14 µM concentraciones intracelulares<br />

[14x10 -3 M]<br />

G = +1.7 kJ/mol + 0.0083 kJ//K.mol x 310 o K ln = -2.9 kJ/mol<br />

[83x10 -3 M]

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