One of the steps in psilocybin biosynthesis is the phosphorylation of 4-hydroxytryptamine By the enzyme Psik as shown below, that involves the hydrolysis of ATP. NH₂ & 4-hydroxytryptamine ATP Psik ADP HO HO norbaeocystin The standard free energy changes for each reaction is shown in the Table below. AG 27.7 kJ/mol -32.2 kJ/mol (b) What is the equilibrium constant at 37 °C? reaction 4-hydroxytryptamine + P→ norbaeocystin ATP → ADP+ Pi (a) Write the net reaction. What is the standard free energy change for the net reaction? (c) In the cell, the concentration of ATP is 3.1 mM, the concentration of P; Is 5.90 mM, and the Concentration of ADP is 220 μM. What will AG Be if the concentration of norbaeocystin Is always kept at 1/100 of the concentration of 4-hydroxytryptamine?
One of the steps in psilocybin biosynthesis is the phosphorylation of 4-hydroxytryptamine By the enzyme Psik as shown below, that involves the hydrolysis of ATP. NH₂ & 4-hydroxytryptamine ATP Psik ADP HO HO norbaeocystin The standard free energy changes for each reaction is shown in the Table below. AG 27.7 kJ/mol -32.2 kJ/mol (b) What is the equilibrium constant at 37 °C? reaction 4-hydroxytryptamine + P→ norbaeocystin ATP → ADP+ Pi (a) Write the net reaction. What is the standard free energy change for the net reaction? (c) In the cell, the concentration of ATP is 3.1 mM, the concentration of P; Is 5.90 mM, and the Concentration of ADP is 220 μM. What will AG Be if the concentration of norbaeocystin Is always kept at 1/100 of the concentration of 4-hydroxytryptamine?
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter18: Glycolysis
Section: Chapter Questions
Problem 13P
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