Enriched in several structures, including ABplpppaaa; ABprpppaaa; AFD; MSpaaapa; and rectal epithelial cell based on RNA-seq and single-cell RNA-seq studies. Is affected by several genes including skn-1; elt-2; and csr-1 based on RNA-seq and microarray studies. Is affected by four chemicals including Rifampin; allantoin; and paraquat based on RNA-seq and microarray studies.