EOG8MWBMZ GO:0015035 27/91 protein disulfide oxidoreductase activity molecular_function "Catalysis of the reaction: a protein with reduced sulfide groups = a protein with oxidized disulfide bonds." [MetaCyc:DISULFOXRED-RXN] EOG8MWBMZ GO:0045454 27/91 cell redox homeostasis biological_process "Any process that maintains the redox environment of a cell or compartment within a cell." [GOC:ai, GOC:dph, GOC:tb] EOG8MWBMZ GO:0009055 27/91 electron carrier activity molecular_function "Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient." [ISBN:0198506732] EOG8MWBMZ GO:0050220 3/91 prostaglandin-E synthase activity molecular_function "Catalysis of the reaction: prostaglandin H(2) = prostaglandin E(2)." [EC:5.3.99.3, RHEA:12896] EOG8MWBMZ GO:0016740 1/91 transferase activity molecular_function "Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2." [ISBN:0198506732]