Info: (For Wildtype) Extinction Coefficient BGG: 0.0007 (y = 0.0007x Beer's Law Graph) Extinction Coefficient BSA: 0.0011 (y = 0.0011x Beer's Law Graph) Cell Lysate: ABS: 0.2, BSA Protein: 285.7mM, BGG Protein: 181.8mM Cell Lysate 1 in 5 dilution: ABsorbtion, 0.03, BSA Protein: 214.3mM, BGG Protein: 136.4mM Elution: Abs .03, Protein BSA: 42.9mM, Protein BGG: 27.3mM Elution DIlution 1/5: ABS: 0.005, Protein BSA: 35.7mM, Protein BGG: 22.7mM Problem: 5. Looking at the sequence of the BGG and BSA standards compared to the sequence of MBP-BAP, which of the two standards is the better choice for determining the concentration of MBP-BAP. A. What amino acids react with the Bradford reagent? B. Find the % Composition of amino acids that react with Bradford C. Which standard is best for determining the concentration of MBP-BAP? Briefly explain. D. Explain briefly why choosing a specific standard is less important for determining the concentration of protein in the cell lysate compared to the elution fraction? For A I believe Cys, Tyr and Trp react with the Bradford reagent unsure how to solve rest of problem 5 however.
Info:
(For Wildtype)
Extinction Coefficient BGG: 0.0007 (y = 0.0007x Beer's Law Graph)
Extinction Coefficient BSA: 0.0011 (y = 0.0011x Beer's Law Graph)
Cell Lysate: ABS: 0.2, BSA Protein: 285.7mM, BGG Protein: 181.8mM
Cell Lysate 1 in 5 dilution: ABsorbtion, 0.03, BSA Protein: 214.3mM, BGG Protein: 136.4mM
Elution: Abs .03, Protein BSA: 42.9mM, Protein BGG: 27.3mM
Elution DIlution 1/5: ABS: 0.005, Protein BSA: 35.7mM, Protein BGG: 22.7mM
Problem:
5. Looking at the sequence of the BGG and BSA standards compared to the sequence of MBP-BAP, which of
the two standards is the better choice for determining the concentration of MBP-BAP.
A. What amino acids react with the Bradford reagent?
B. Find the % Composition of amino acids that react with Bradford
C. Which standard is best for determining the concentration of MBP-BAP? Briefly explain.
D. Explain briefly why choosing a specific standard is less important for determining the concentration of protein
in the cell lysate compared to the elution fraction?
For A I believe Cys, Tyr and Trp react with the Bradford reagent unsure how to solve rest of problem 5 however.
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