Predicted to enable mRNA binding activity and molecular condensate scaffold activity. Predicted to be involved in positive regulation of stress granule assembly; protein homooligomerization; and stress granule assembly. Predicted to be located in cytoplasmic stress granule. Predicted to be part of ribonucleoprotein complex. Predicted to be active in cytosol. Orthologous to human G3BP2 (G3BP stress granule assembly factor 2); INTERACTS WITH (+)-schisandrin B; 17alpha-ethynylestradiol; 2,3,7,8-tetrachlorodibenzodioxine.