Enriched in intestine; neurons; and somatic gonad precursor 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 and RNA-seq studies. Is affected by twenty-seven chemicals including Heme; Nitric Oxide; and methylmercury hydroxide based on microarray and RNA-seq studies.