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Strategies for Expression and Solubility Analysis
EP20364
Poster Title: Strategies for Expression and Solubility Analysis
Submitted on 19 Dec 2013
Author(s): Pablo Fernández-Millán, Nereida Jiménez-Menéndez, Anna Rubio-Cosials, Cristina Silva-Espiña & Maria Solà Vilarrubias
Affiliations: IBMB-CSIC, Barcelona
Poster Views: 919
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Poster Information
Abstract: Production of soluble protein is one of the major bottlenecks that precede crystallographic studies.During the last years several techniques and strategies have been developed to address this problem. However, many of them imply an economical cost and technologies that are not always available. We will describe a general plan for protein solubility analysis by using a combination of four different but complementary strategies.

In this plan, different constructs of a protein interest are designed and cloned in a library of expression vectors. All constructs are subsequently tested for bacterial over expression using different strains at different culture conditions. The last step consists of a solubility screening for each construct tested for a specific strain and expression condition, by using different buffers designed according to a semi-rational approach.
Summary: Production of soluble protein is one of the major bottlenecks that precede crystallographic studies.During the last years several techniques and strategies have been developed to address this problem. However, many of them imply an economical cost and technologies that are not always available. We will describe a general plan for protein solubility analysis by using a combination of four different but complementary strategies.
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