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Rapid and complete purification of acetylcholinesterases of electric eel and erythrocyte by affinity chromatography.

Authors
Type
Published Article
Journal
Proceedings of the National Academy of Sciences of the United States of America
Publication Date
Volume
68
Issue
2
Pages
395–398
Identifiers
PMID: 5277092
Source
Medline

Abstract

Affinity chromatography has been used to purify acetylcholinesterase both from the electric tissue of Electrophorus electricus and from bovine erythrocyte membranes. For this purpose, several specific enzymic inhibitors of each protein were synthesized and joined covalently to an insoluble support resin. AchE is selectively retained by such inhibitor-resins when highly impure solutions are chromatographed upon them. After removal from the resin, both enzymes are electrophoretically homogeneous and they may be recovered in yields of 75% or more.

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