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Farries TC, Auffret AD, Aitken A. Enzyme-mediated peptide synthesis using acylpeptide hydrolase. Eur J Biochem. 1991;196(3):687-92doi: 10.1111/j.1432-1033.1991.tb15866.x.
Farries, T. C., Auffret, A. D., & Aitken, A. (1991). Enzyme-mediated peptide synthesis using acylpeptide hydrolase. European journal of biochemistry, 196(3), 687-92. https://doi.org/10.1111/j.1432-1033.1991.tb15866.x
Farries, T C, et al. "Enzyme-mediated peptide synthesis using acylpeptide hydrolase." European journal of biochemistry vol. 196,3 (1991): 687-92. doi: https://doi.org/10.1111/j.1432-1033.1991.tb15866.x
Farries TC, Auffret AD, Aitken A. Enzyme-mediated peptide synthesis using acylpeptide hydrolase. Eur J Biochem. 1991 Mar 28;196(3):687-92. doi: 10.1111/j.1432-1033.1991.tb15866.x. PMID: 1688346.
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Eur J Biochem. 1991 Mar 28;196(3):687-92. doi: 10.1111/j.1432-1033.1991.tb15866.x.

Enzyme-mediated peptide synthesis using acylpeptide hydrolase.

European journal of biochemistry

T C Farries, A D Auffret, A Aitken

Affiliations

  1. MRC Collaborative Centre, London, England.

PMID: 1688346 DOI: 10.1111/j.1432-1033.1991.tb15866.x
Free Article

Abstract

Acylpeptide hydrolase is shown to catalyse the specific addition of a single amino acid to the N-terminus of a peptide. The stabilised Sepharose-coupled form of the enzyme is used to couple a carboxy-methylated N-formyl (or N-acetyl) amino acid to a short pre-existing peptide. The yield is improved by optimal timing of the reaction and the presence of moderate concentrations (5%) of N,N-dimethylformamide. Two tripeptides, Ac-Ala-Ala-Ala and fMet-Leu-Phe (f, formyl) were synthesized by this technique (in yields of 2% and 0.064% respectively). The products were characterised by HPLC, amino acid analysis, mass spectroscopy and protein sequencing. The synthetic fMet-Leu-Phe also had biological activity, in that it stimulated superoxide generation by granulocytes. Acylpeptide hydrolase could therefore be a very useful tool for the synthesis and modification of peptides.

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