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. Author manuscript; available in PMC: 2007 Sep 25.
Published in final edited form as: Biochim Biophys Acta. 2006 Dec 15;1768(4):772–793. doi: 10.1016/j.bbamem.2006.12.002

Fig. 3.

Fig. 3

Heterotrimeric G protein α subunits are discovered to be structural relatives of other regulatory GTPases. Tα, transducin α; Gα37, Goα: Sc ras1, ras1 of the baker’s yeast Saccharomyces cerevisiae; Ypt1, the Saccharomyces cerevisiae homologue of rab1 (rat brain ras like protein 1) (Adapted from Hurley et al., 1984a [16]).