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ste4

Gene
STE4
Protein
Guanine nucleotide-binding protein subunit beta
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
423 amino acids
Function
Implicated in the a- and alpha-factor response pathway. The beta and gamma chains of the putative yeast mating response pathway G protein play a positive role in initiation of the mating response. The beta and gamma chains are required for the GTPase activity, for replacement of GDP by GTP, and for G protein-effector interaction.
Similarity
Belongs to the WD repeat G protein beta family.
Mass
46.581 kDa
Sequence
MAAHQMDSITYSNNVTQQYIQPQSLQDISAVEDEIQNKIEAARQESKQLHAQINKAKHKIQDASLFQMANKVTSLTKNKINLKPNIVLKGHNNKISDFRWSRDSKRILSASQDGFMLIWDSASGLKQNAIPLDSQWVLSCAISPSSTLVASAGLNNNCTIYRVSKENRVAQNVASIFKGHTCYISDIEFTDNAHILTASGDMTCALWDIPKAKRVREYSDHLGDVLALAIPEEPNSENSSNTFASCGSDGYTYIWDSRSPSAVQSFYVNDSDINALRFFKDGMSIVAGSDNGAINMYDLRSDCSIATFSLFRGYEERTPTPTYMAANMEYNTAQSPQTLKSTSSSYLDNQGVVSLDFSASGRLMYSCYTDIGCVVWDVLKGEIVGKLEGHGGRVTGVRSSPDGLAVCTGSWDSTMKIWSPGYQ

Gene
ste4
Protein
Sexual differentiation protein ste4
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
264 amino acids
Function
Essential for mating and meiosis.
Mass
30.736 kDa
Sequence
MGDSDDFYWNWNNEAVCNWIEQLGFPHKEAFEDYHILGKDIDLLSSNDLRDMGIESVGHRIDILSAIQSMKKQQKDKLQQENKDQELKNIEESYKKLEEKTEHLSDDNVSLEKRVEYLETENTKLVKTLNSLNSEFLQLLRKIAINVKEGRQLTTENSSDTSSMTHPVQPSPSVLGSFDLEVNDSLTNAEKNRKLNVNLTYNEVLCSMLQRYRIDPNTWMSYDLLINYDDKEHAIPMDVKPLQLFRNLQKRGKSPSFVLSRRSC