Enriched in several structures, including amphid sheath cell; coelomocyte; dopaminergic neurons; head mesodermal cell; and mechanosensory neurons based on microarray; tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including daf-16; daf-2; and skn-1 based on microarray; proteomic; and RNA-seq studies. Is affected by twenty-three chemicals including 1-methylnicotinamide; methylmercuric chloride; and bisphenol A based on RNA-seq and microarray studies.