Enriched in several structures, including head mesodermal cell; neurons; pharyngeal muscle cell; rectal gland cell; and retrovesicular ganglion based on SAGE; tiling array; RNA-seq; single-cell RNA-seq; and microarray studies. Is affected by several genes including daf-16; daf-2; and pie-1 based on microarray; RNA-seq; and tiling array studies. Is affected by eighteen chemicals including 1-methylnicotinamide; Tunicamycin; and mianserin based on RNA-seq and microarray studies.