Enriched in coelomocyte; germline precursor cell; head mesodermal cell; muscle cell; and neurons based on microarray; tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including fzo-1; atfs-1; and etr-1 based on microarray; proteomic; and RNA-seq studies. Is affected by twenty-seven chemicals including rotenone; 4-bromodiphenyl ether; and levamisole based on RNA-seq and microarray studies. Human ortholog(s) of this gene implicated in male infertility. Is predicted to encode a protein with the following domains: Thioredoxin; Thioredoxin-like superfamily; and Thioredoxin domain. Is an ortholog of human TXNDC2 (thioredoxin domain containing 2) and TXNDC8 (thioredoxin domain containing 8). Human TXNDC2 enables thioredoxin-disulfide reductase (NADPH) activity.