Recombinant protein expression and purification for therapeutic development or for in vitro studies can sometimes be a real challenge. It requires huge investments in both time and cost in order to obtain high yields of pure and active recombinant proteins. My aim in writing this post, is to give you a simple guide to easily establish optimal conditions for recombinant protein expression and production in E. Coli, of problematic unstable proteins of interest.
Mass spectrometry is a technology which is widely used in most scientific disciplines that require accurate and precise measurement of elemental and molecular components. Its use in the pharmaceutical sector is often associated with the Drug Discovery and Development process. The primordial step to analyze a sample is to perform a sample treatment to enable its study. It really requires know-how to obtain good quality results. The following tips and tricks can help you to rapidly select a protein purification strategy and to anticipate some possible problems.
Decidedly, producing and purifying a protein is a form of art.
Indeed, each recombinant protein (rec. protein) to be produced in vitro has specific characteristics and singularities that make its production and purification most definitely challenging. In this post, I’d like to share and review a few tips and basics for optimal design of experiment when producing functional recombinant proteins and working on protein purification.
Protein biochemistry brings together a vast and varied world of methods of protein production, purification and characterization. Once you have successfully achieved the production of your protein in a selected system, you need to think about the following steps. Indeed, the quest does not stop there! The next step is purification, during which you will try to isolate your protein of interest from the surrounding contaminants while keeping it soluble and active. Your ultimate aim is to keep your protein “happy” by choosing the perfect buffer. You will be faced with a bewildering array of choices leading you to ask yourself “where do I start…?”.
Keep calm – it’s easy…
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