Enriched in amphid sheath cell; germ line; intestine; sensory neurons; and in male based on RNA-seq and single-cell RNA-seq studies. Is affected by several genes including daf-2; let-60; and hsf-1 based on tiling array; microarray; and RNA-seq studies. Is affected by ten chemicals including Psoralens; Sirolimus; and Rifampin based on RNA-seq and microarray studies.