Molecular basis for two forms of the G protein that stimulates adenylate cyclase

Most cells contain two forms of the alpha subunit of the G protein (Gs) that stimulates adenylate cyclase; their apparent molecular weights are 45,000 and 52,000. Two cDNAs that correspond to distinct mRNAs for the alpha subunit of Gs have been cloned from a bovine adrenal library and sequenced. The...

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