Enriched in hypodermis; interfacial epithelial cell; and sensory neurons based on tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including daf-2; skn-1; and hsf-1 based on RNA-seq and microarray studies. Is affected by twelve chemicals including mianserin; D-glucose; and Psoralens based on RNA-seq and microarray studies.