Plays a role as a glutathione (GSH)-dependent antioxidant. May be involved in a redox-related process. May play a role in the myopathies of selenium deficiency (By similarity).
Subcellular locations: Cytoplasm
Ubiquitously expressed with highest levels in skeletal muscle and heart, moderate levels in brain, spinal cord, thyroid, spleen, prostate, ovary, small intestine and colon, and lowest levels in liver and lymph node.