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A16 Compound A is the substrate for two enzymes, E, and E2, involved in the synthe- sis of an amino acid and an antibiotic, respectively. Their reaction rates, r₁ and 72, at an arbitrary concentration of E, and E₂ were measured at different concen- trations of A. However, the data were not labeled properly (shown in Table P.4.1), and the student who did the measurement needs help to sort out which dataset is for E₁. Determine the K,,, and r, for both enzymes, with respect to the concen- tration of A. Which set of data is more likely to be for E, and which for E₂, and why? max Largo de s 10100 Table P.4.1 Reaction kinetics of a common substrate A for two enzymes. Concentration of A (mm) Reaction rate (₂) (mmol/L*min) Reaction rate (r.) (mmol/L*min) 0.2 0.6 1.2 2 3 4 3.33 4.29 4.62 4.76 4.84 4.88 4.9 0.09 0.23 0.38 0.5 5 0.6 6 8 9 12 15 4.92 4.94 4.95 4.96 4.97 0.67 0.71 0.75 0.8 0.82 0.86 0.80

A16 Compound A is the substrate for two enzymes, E, and E2, involved in the synthe- sis of an amino acid and an antibiotic, respectively. Their reaction rates, r₁ and 72, at an arbitrary concentration of E, and E₂ were measured at different concen- trations of A. However, the data were not labeled properly (shown in Table P.4.1), and the student who did the measurement needs help to sort out which dataset is for E₁. Determine the K,,, and r, for both enzymes, with respect to the concen- tration of A. Which set of data is more likely to be for E, and which for E₂, and why? max Largo de s 10100 Table P.4.1 Reaction kinetics of a common substrate A for two enzymes. Concentration of A (mm) Reaction rate (₂) (mmol/L*min) Reaction rate (r.) (mmol/L*min) 0.2 0.6 1.2 2 3 4 3.33 4.29 4.62 4.76 4.84 4.88 4.9 0.09 0.23 0.38 0.5 5 0.6 6 8 9 12 15 4.92 4.94 4.95 4.96 4.97 0.67 0.71 0.75 0.8 0.82 0.86 0.80

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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A16 Compound A is the substrate for two enzymes, E, and E, involved in the synthe- sis of an amino acid and an antibiotic, respectively. Their reaction rates, r, and r, at an arbitrary concentration of E, and E, were measured at different concen- trations of A. However, the data were not labeled properly (shown in Table P.4.1), and the student who did the measurement needs help to sort out which dataset is for E,. Determine the K, and rmax tration of A. Which set of data is more likely to be for E, and which for E,, and why? for both enzymes, with respect to the concen- Table P.4.1 Reaction kinetics of a common substrate A for two enzymes. Concentration of 0.2 0.6 1.2 3 4 6. 8 9. 12 15 A (mM) Reaction rate (r.) (mmol/L'min) 3.33 4.29 4.62 4.76 4.84 .88 4.9 4.92 4.94 4.95 4.96 4.97 Reaction rate (r,) (mmol/L*min) 0.09 0.23 0.38 0.5 0.6 0.67 0.71 0.75 0.8 0.82 0.86 0.80
Transcribed Image Text:A16 Compound A is the substrate for two enzymes, E, and E, involved in the synthe- sis of an amino acid and an antibiotic, respectively. Their reaction rates, r, and r, at an arbitrary concentration of E, and E, were measured at different concen- trations of A. However, the data were not labeled properly (shown in Table P.4.1), and the student who did the measurement needs help to sort out which dataset is for E,. Determine the K, and rmax tration of A. Which set of data is more likely to be for E, and which for E,, and why? for both enzymes, with respect to the concen- Table P.4.1 Reaction kinetics of a common substrate A for two enzymes. Concentration of 0.2 0.6 1.2 3 4 6. 8 9. 12 15 A (mM) Reaction rate (r.) (mmol/L'min) 3.33 4.29 4.62 4.76 4.84 .88 4.9 4.92 4.94 4.95 4.96 4.97 Reaction rate (r,) (mmol/L*min) 0.09 0.23 0.38 0.5 0.6 0.67 0.71 0.75 0.8 0.82 0.86 0.80
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