What question did this study set out to answer?

This research aims to identify and characterize alpha 40 and alpha 41 subunits of guanine nucleotide-binding proteins in bovine brain.

Chromatographic resolution and immunologic identification of the alpha 40 and alpha 41 subunits of guanine nucleotide-binding regulatory proteins from bovine brain.

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Randomized trial identifies alpha 40 and alpha 41 G protein subunits in bovine brain, suggesting their distinct roles in cellular signaling.

This research aims to identify and characterize alpha 40 and alpha 41 subunits of guanine nucleotide-binding proteins in bovine brain.
Chromatographic techniques were employed to partially resolve the G protein subunits.
Antisera generated from peptide sequences were used for immunologic identification of alpha 40 and alpha 41 subunits.
Expression of these subunits was surveyed in various rat tissues using specific antisera.
Alpha 40 was identified as distinct from alpha 41 but closely related, specifically reacting with antisera designed for it.
Another form of alpha 41 was found that did not react with the peptide antisera used in the study.
The identification of these subunits provides insights into the roles of G proteins in cellular signaling.

Mumby et al. (1988) studied this question.

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Randomized trial identifies alpha 40 and alpha 41 G protein subunits in bovine brain, suggesting their distinct roles in cellular signaling.