Enriched in several structures, including AVK; MSpppaaa; head mesodermal cell; male distal tip cell; and somatic gonad precursor based on RNA-seq and single-cell RNA-seq studies. Is affected by several genes including eri-1; hpk-1; and glh-4 based on tiling array; RNA-seq; and microarray studies. Is affected by five chemicals including metformin; Psoralens; and allantoin based on RNA-seq and microarray studies.