Enriched in several structures, including ABplpppppp; ABprpppppp; Caapa; germ line; and head mesodermal cell based on tiling array; RNA-seq; single-cell RNA-seq; and microarray studies. Is affected by several genes including glp-1; dpy-10; and eat-2 based on RNA-seq and microarray studies. Is affected by fifteen chemicals including methylmercuric chloride; Alovudine; and Zidovudine based on microarray and RNA-seq studies.