Fast and easy protocol for the purification of recombinant S-layer protein for synthetic biology applications
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ArticleDate
2011-06-17Online Publication Date
2011-06-17Print Publication Date
2011-07Permanent link to this record
http://hdl.handle.net/10754/598314
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A goal of synthetic biology is to make biological systems easier to engineer. One of the aims is to design, with nanometer-scale precision, biomaterials with well-defined properties. The surface-layer protein SbpA forms 2D arrays naturally on the cell surface of Lysinibacillus sphaericus, but also as the purified protein in solution upon the addition of divalent cations. The high propensity of SbpA to form crystalline arrays, which can be simply controlled by divalent cations, and the possibility to genetically alter the protein, make SbpA an attractive molecule for synthetic biology. To be a useful tool, however, it is important that a simple protocol can be used to produce recombinant wild-type and modified SbpA in large quantities and in a biologically active form. The present study addresses this requirement by introducing a mild and non-denaturing purification protocol to produce milligram quantities of recombinant, active SbpA.Citation
Norville JE, Kelly DF, Knight TF, Belcher AM, Walz T (2011) Fast and easy protocol for the purification of recombinant S-layer protein for synthetic biology applications. Biotechnology Journal 6: 807–811. Available: http://dx.doi.org/10.1002/biot.201100024.Sponsors
This work was supported by a KAUST Scholar Graduate Research Fellowship (J.E.N.), the SynBERC NSF ERC (www.synberc.org) (J.E.N. and T. F. K.), National Institutes of Health grant GM52580 (S. C. Harrison) and the U.S. Army Research Office through both the Institute for Soldier Nanotechnologies and the Institute for Collaborative Biotechnologies (A. M. B.). T. W. is an investigator in the Howard Hughes Medical Institute.Publisher
WileyJournal
Biotechnology JournalPubMed ID
21681963PubMed Central ID
PMC4374430ae974a485f413a2113503eed53cd6c53
10.1002/biot.201100024
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