Synthesis of protected peptides from the human IgG1 hinge region on PEG support using disulfide bond synthons and alkaline or enzymatic detachment |
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Authors: | Petr Niederhafner |
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Institution: | Institute of Organic Chemistry and Biochemistry, Flemingovo nám. 2, Prague 6, Czech Republic |
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Abstract: | Peptides from the hinge region of human IgG1 are potential defined carriers of synthetic immunogens. Their synthesis was carried out on the soluble support—PEG-OMe 2000 using disulfide bond synthons. The loading capacity of the polymer was increased twofold by anchoring the lysine as a simple branching unit. The amino acid leucine was used as an enzymatically cleavable linker. Peptide detachment from the polymer was performed either by classical ester bond saponification or newly by peptide bond cleavage catalyzed by thermolysin in water. |
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Keywords: | Hinge peptide Disulfide synthon PEG Thermolysin Defined carrier of immunogens |
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