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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Direct determination of molecular ratios of peptides coupled via N-succinimidyl 3-(2-pyridyldithio)propionate to carrier proteins using high performance liquid chromatography.

A simple, rapid and reproducible method is presented for direct determination of the substitution ratio of a carrier protein with a synthetic nonradioactively labeled peptide. The peptide was covalently linked by a thiol group of a cysteine residue to the immunogenic carrier protein using the heterobifunctional reagent N-succinimidyl 3-(2-pyridyldithio)propionate. The substitution ratio was determined after reductive cleavage of the intermolecular disulfide bond between peptide and carrier and the amount of carrier and peptide quantitated directly by calibrated HPLC analysis within 15 min.[1]

References

  1. Direct determination of molecular ratios of peptides coupled via N-succinimidyl 3-(2-pyridyldithio)propionate to carrier proteins using high performance liquid chromatography. Bläsi, U., Linke, R.P., Lubitz, W. J. Immunol. Methods (1988) [Pubmed]
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