Accelerated High-sensitivity Microsequencing of Proteins and Peptides Using a Miniature Reaction Cartridge

Overview

Journal Protein Sci

Specialty Biochemistry

Date 1992 Sep 1

PMID 1304398

Citations 18

Authors

N F Totty

M D Waterfield

J J Hsuan

Affiliations

Soon will be listed here.

Abstract

Greatly reduced automated protein sequencing degradation times of less than 25 min with concurrent on-line phenylthiohydantoin (PTH) derivative analysis times of less than 16 min have been achieved by using a miniaturized reaction cartridge with optimized chemical and analytical cycles. Using this method a wide range of standard and novel peptides and proteins have been sequenced with reproducibly high initial and repetitive cycle yields. In these accelerated analyses the recovery of the more labile PTH derivatives was markedly improved by using elevated pressure during cleavage steps and temperature programming throughout the Edman cycle.

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