Enriched in several structures, including ABplpaaaap; ABplpaapap; AFD; germ line; and head mesodermal cell based on RNA-seq and single-cell RNA-seq studies. Is affected by several genes including daf-16; daf-2; and sir-2.1 based on microarray; tiling array; and RNA-seq studies. Is affected by eight chemicals including hydrogen sulfide; Psoralens; and allantoin based on microarray and RNA-seq studies.