Location of functional regions of acetylcholine receptor alpha-subunit by site-directed mutagenesis

Mishina, M.; Tobimatsu, T.; Imoto, K.; Tanaka, K.; Fujita, Y.; Fukuda, K.; Kurasaki, M.; Takahashi, H.; Morimoto, Y.; Hirose, T.

Nature 313(6001): 364-369

1985


ISSN/ISBN: 0028-0836
PMID: 3838201
Document Number: 247781
The availability of cloned cDNAs encoding the four subunits of the Torpedo acetylcholine receptor, which can be expressed to make functional receptors in Xenopus oocytes, has made possible a detailed investigation of the functions of the different structural components of the receptor. The functional analysis of receptors with alpha-subunits altered at specific sites by site-directed mutagenesis of the cDNA has allowed the location of specific regions of the alpha-subunit molecule involved in acetylcholine binding and forming a transmembrane ionic channel.

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