Enriched in anterior spermatheca; cephalic sheath cell; dopaminergic neurons; hypodermis; and posterior spermatheca based on tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including daf-2; skn-1; and hsf-1 based on microarray; RNA-seq; and proteomic studies. Is affected by twenty-three chemicals including Ethanol; 1-methylnicotinamide; and nicotinic acid based on RNA-seq; microarray; and proteomic studies.