Enriched in germ line and head mesodermal cell based on RNA-seq studies. Is affected by several genes including daf-2; skn-1; and pgl-1 based on RNA-seq and microarray studies. Is affected by nine chemicals including rotenone; manganese chloride; and metformin based on RNA-seq and microarray studies. Is predicted to encode a protein with the following domains: SPK domain and Domain of unknown function (DUF545).