Article
Identification of common and distinct residues involved in the interaction of alphai2 and alphas with adenylyl cyclase.
The Journal of biological chemistry - 15 Aug 1997
Grishina G, Berlot C H
Abstract excerpt
The G protein alpha subunits, alphas and alphai2, have stimulatory and inhibitory effects, respectively, on a common effector protein, adenylyl cyclase. These effects require a GTP-dependent conformational change that involves three alpha subunit regions (Switches I-III). alphas residues in three adjacent loops, including Switch II, specify activation of adenylyl cyclase. The adenylyl cyclase-specifying region of...
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