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Measuring the concentration of proteins is an essential part of enzyme analysis or serves to monitor protein yields and losses during protein isolation procedures. Decisions on the usefulness of any… Click to show full abstract
Measuring the concentration of proteins is an essential part of enzyme analysis or serves to monitor protein yields and losses during protein isolation procedures. Decisions on the usefulness of any protein isolation procedure depend on knowing the concentration of proteins before and after a procedure. Protein concentration in solution is generally measured with spectrophotometry in the UV range or in the presence of dyes or copper interacting with the protein. This review describes absorbance at 280 nm, the Lowry, Bradford (Coomassie Blue), and Smith (bicinchoninic acid) assays for measuring protein and includes suggestions for optimizing each method.
Journal Title: Methods in molecular biology
Year Published: 2019
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