Furin Cleavage of Bacterial Expressed Glutathione-S-Transferase-Pro-Transforming Growth Factor &bgr;1 Fusion Protein In Vitro

Publisher: Bentham Science Publishers

E-ISSN: 1875-5305|17|4|416-418

ISSN: 0929-8665

Source: Protein and Peptide Letters, Vol.17, Iss.4, 2010-04, pp. : 416-418

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Abstract

To investigate the processing of transforming growth factor &bgr;1 (TGF&bgr;1) pro-protein by furin protease we expressed a GST-pro-TGF&bgr;1 fusion protein in bacteria. Analysis of the furin digestion pattern revealed the liberation of 12.5 kDa TGF&bgr;1 monomers. There was no evidence for cleavage of an alternative furin site within the pro-protein.

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