Enriched in several structures, including ABprpapppa; germ line; male distal tip cell; oocyte; and somatic gonad precursor based on RNA-seq and single-cell RNA-seq studies. Is affected by several genes including cyc-1; swsn-1; and puf-8 based on microarray; tiling array; and RNA-seq studies. Is affected by fourteen chemicals including bisphenol A; rifampin; and allantoin based on RNA-seq and microarray studies. Is predicted to encode a protein with the following domains: Domain of unknown function (DUF3557) and Protein of unknown function DUF3557.