Failure of [32P]ADP-ribosylation by pertussis toxin to determine Gi alpha content in membranes from various human tissues. Improved radioimmunological quantification using the 125I-labelled C-terminal decapeptide of retinal transducin.

Failure of [32P]ADP-ribosylation by pertussis toxin to determine Gi alpha content in membranes from various human tissues. Improved radioimmunological quantification using the 125I-labelled C-terminal decapeptide of retinal transducin.