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sos-1 gain-of-function allele originally isolated as a suppressor of sem-5(n1619) lethality. pd10 causes a E99K substitution within the N-terminal histone fold domain of SOS-1. Single mutants appear wild-type.

sos-1(pd9) is a gain-of-function allele causing a C662Y substitution within the Ras exchange motif of SOS-1. Originally isolated as a suppressor of sem-5(n1619) lethality. Single mutants appear wild-type. Reference: Wooller A & Hopper N. (2014) European Worm Meeting. (Anyone using this allele may cite Neil Hopper as a personal communication based on this meeting abstract.)

Vulvaless. About 91% of the animals die as L1 or early L2. n1619 suppresses clr-1.