Enriched in intestine; rectal epithelial cell; rectal gland cell; and sensory neurons based on RNA-seq and single-cell RNA-seq studies. Is affected by several genes including skn-1; age-1; and eat-2 based on microarray; tiling array; and RNA-seq studies. Is affected by seventeen chemicals including methylmercuric chloride; Mercuric Chloride; and sesamin based on microarray and RNA-seq studies.