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 rrf-3 based on RNA-seq and microarray studies. Is affected by sixteen chemicals including Ethanol; methylmercuric chloride; and rotenone based on RNA-seq and microarray studies.