Enriched in several structures, including ALA; epithelial cell; hypodermis; mechanosensory neurons; and somatic gonad precursor based on microarray; tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including swsn-1; nuo-6; and atfs-1 based on microarray and RNA-seq studies. Is affected by thirteen chemicals including 1-methylnicotinamide; D-glucose; and stavudine based on RNA-seq and microarray studies.