sos3 gene protein (SOS3)
Mutations in the sos3 gene make A. thaliana hypersensitive to
increased Na+ and of lowered K+ in the bathing medium . Although
SOS3 is congruent to CLNB, P22, VIS, CALS, DREM, and CMPK, none of its
four EF-hands are inferred to bind calcium.