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8.A.92.1.3
G-protein subunits α, β1, β2 and γ.   The exchange of GDP for GTP on the G protein alpha subunit alters its interaction with the G protein beta subunit, leading to dissociation of the G protein beta-gamma dime. The dissociated subunits activate downstream effectors.

Accession Number:A6ZSQ7
Protein Name:G protein alpha subunit
Length:472
Molecular Weight:54048.00
Species:Saccharomyces cerevisiae (strain YJM789) (Baker's yeast) [307796]
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MGCTVSTQTI GDESDPFLQN KRANDVIEQS LQLEKQRDKN EIKLLLLGAG ESGKSTVLKQ 
61:	LKLLHQGGFS HQERLQYAQV IRADAIQSMK ILIIQARKLG IQLDCDDPIN NKDLFACKRI 
121:	LLKAKALDYI NASVAGGSDF LNDYVLKYSE RYETRRRVQS TGRAKAAFDE DGNISNVKSD 
181:	TDRDAETVTQ NEDVDRNNSS RINLQDICKD LNQEGDDQMF VRKTSREIQG QNRRNLIHED 
241:	IAKAIKQLWN NDKGIKQCFA RSNEFQLEGS AAYYFDNIEK FASPNYVCTD EDILKGRIKT 
301:	TGITETEFNI GSSKFKVLDA GGQRSERKKW IHCFEGITAV LFVLAMSEYD QMLFEDERVN 
361:	RMHESIMLFD TLLNSKWFKD TPFILFLNKI DLFEEKVKSM PIRKYFPDYQ GRVGDAEAGL 
421:	KYFEKIFLSL NKTNKPIYVK RTCATDTQTM KFVLSAVTDL IIQQNLKKSG II