has part has part has_part occurs in occurs in characteristic of has modifier glutathione peroxidase activity abnormal glutathione peroxidase activity abnormal circulating glutathione peroxidase activity 2026-02-17T19:29:02Z anomaly in the ability to catalyze the reaction: 2 glutathione + hydrogen peroxide = oxidized glutathione + 2 H2O in the blood abnormal circulating selenium-glutathione peroxidase activity abnormal plasma GSH peroxidase activity abnormal serum GSH peroxidase activity abnormal circulating GPX activity abnormal circulating glutathione:hydrogen-peroxide oxidoreductase activity MP:0014928 abnormal circulating GSHPx activity abnormal circulating non-selenium glutathione peroxidase activity abnormal circulating GSH-Px activity abnormal circulating enzyme/coenzyme activity abnormal process quality blood