A rapid vapor-phase acid (hydrochloric acid and trifluoroacetic acid) hydrolysis of peptide and protein

Akira Tsugita, Toyoaki Uchida, H. Werner Mewes, Tatsuaki Ataka

Research output: Contribution to journalArticlepeer-review

109 Scopus citations

Abstract

A new method for the acid hydrolysis of protein is presented. Peptide bonds are cleaved by the action of an HGl/trifluoroacetic acid (TFA) vapor mixture. Contamination for the hydrolysis mixture is reduced to low levels (1-3 pmol). Recovery of hydrophobic amino acid is improved. Short reaction times are achieved and rapid removal of acids is facilitated. The reaction temperature is 158°C for reaction times of 22.5 and 45 min with 7 M HC1 and 10% TFA containing 0.1 % phenol.

Original languageEnglish
Pages (from-to)1593-1597
Number of pages5
JournalJournal of Biochemistry
Volume102
Issue number6
DOIs
StatePublished - Dec 1987
Externally publishedYes

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