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Recombinant pre-pro-Concanavalin A (jack bean) is stable but of low solubility

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Abstract

The cDNA for pre-pro-Concanavalin A (pre-pro-ConA) was cloned into the cytoplasmic expression vector pKK233-2 to give rise to pCONEXP2 which was used to express the lectin precursor. Pre-pro-ConA is stable and is not transposed and ligated to form the mature protein. No signal peptide removal is observed. The solubility of pre-pro-ConA could not be increased by guanidine hydrochloride denaturation/dilution treatment.

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Abbreviations

ConA:

Concanavalin A

IPTG:

isopropyl-Β-D-thiogalactopyranoside

PMSF:

phenyl methyl sulphonyl flouride

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Correspondence to H. Benan Dincturk.

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Dincturk, H.B., Dunn, A.J. & Jones, D.H. Recombinant pre-pro-Concanavalin A (jack bean) is stable but of low solubility. J. Biosci. 26, 635–640 (2001). https://doi.org/10.1007/BF02704761

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  • DOI: https://doi.org/10.1007/BF02704761

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