The enzyme from the previous problem was further purified from the supernatant, after which a (Bradford) protein assay using coomassie blue was performed. The following standard curve was established using known concentrations of the enzyme. 0.9 0.8 0.7 0.6 0.5 804 0.3 0.2 y=0.5617x+0.0119 R2=0.9878 0.1 0 0 0.5 1 1.5 Protein Concentration (mg/mL) A. At what wavelength is the sample measured at? B. Write out the equation relating OD595 and protein concentration. 4 C. After purification, the protein sample was diluted 10-fold and then reacted with Coomassie Blue that resulted in an OD595 of 0.7. What was the concentration of protein in the supernatant?
The enzyme from the previous problem was further purified from the supernatant, after which a (Bradford) protein assay using coomassie blue was performed. The following standard curve was established using known concentrations of the enzyme. 0.9 0.8 0.7 0.6 0.5 804 0.3 0.2 y=0.5617x+0.0119 R2=0.9878 0.1 0 0 0.5 1 1.5 Protein Concentration (mg/mL) A. At what wavelength is the sample measured at? B. Write out the equation relating OD595 and protein concentration. 4 C. After purification, the protein sample was diluted 10-fold and then reacted with Coomassie Blue that resulted in an OD595 of 0.7. What was the concentration of protein in the supernatant?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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