EOG8GTNVS GO:0005509 17/50 calcium ion binding molecular_function "Interacting selectively and non-covalently with calcium ions (Ca2+)." [GOC:ai] EOG8GTNVS GO:0005576 1/50 extracellular region cellular_component "The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite." [GOC:go_curators] EOG8GTNVS GO:0006749 1/50 glutathione metabolic process biological_process "The chemical reactions and pathways involving glutathione, the tripeptide glutamylcysteinylglycine, which acts as a coenzyme for some enzymes and as an antioxidant in the protection of sulfhydryl groups in enzymes and other proteins; it has a specific role in the reduction of hydrogen peroxide (H2O2) and oxidized ascorbate, and it participates in the gamma-glutamyl cycle." [CHEBI:16856, ISBN:0198506732] EOG8GTNVS GO:0004364 1/50 glutathione transferase activity molecular_function "Catalysis of the reaction: R-X + glutathione = H-X + R-S-glutathione. R may be an aliphatic, aromatic or heterocyclic group; X may be a sulfate, nitrile or halide group." [EC:2.5.1.18]