Enriched in several structures, including head mesodermal cell; neurons; pharyngeal-intestinal valve; rectal epithelial cell; and rectum based on microarray; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including daf-16; skn-1; and hsf-1 based on microarray and RNA-seq studies. Is affected by twelve chemicals including rotenone; D-glucopyranose; and Psoralens based on RNA-seq and microarray studies.