Enables protein-disulfide reductase activity. Predicted to be involved in response to hydrogen peroxide and response to organic substance. Located in mitochondrion. Is expressed in several structures, including adrenal gland; alimentary system; genitourinary system; nervous system; and respiratory system. Orthologous to human GLRX2 (glutaredoxin 2). [provided by Alliance of Genome Resources, Apr 2022]