Predicted to enable protein disulfide isomerase activity. Predicted to be involved in apoptotic cell clearance. Located in endoplasmic reticulum lumen. Is expressed in several structures, including brain; immune system; intestine; male reproductive gland or organ; and urinary system. Orthologous to human TXNDC5 (thioredoxin domain containing 5). [provided by Alliance of Genome Resources, Apr 2022]