EOG8RR8ZT GO:0051539 23/91 4 iron, 4 sulfur cluster binding molecular_function "Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands." [GOC:ai, PMID:15952888, Wikipedia:Iron-sulfur_cluster] EOG8RR8ZT GO:0016020 23/91 membrane cellular_component "A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it." [GOC:dos, GOC:mah, ISBN:0815316194] EOG8RR8ZT GO:0016651 21/91 oxidoreductase activity, acting on NAD(P)H molecular_function "Catalysis of an oxidation-reduction (redox) reaction in which NADH or NADPH acts as a hydrogen or electron donor and reduces a hydrogen or electron acceptor." [GOC:ai] EOG8RR8ZT GO:0003954 2/91 NADH dehydrogenase activity molecular_function "Catalysis of the reaction: NADH + H+ + acceptor = NAD+ + reduced acceptor." [EC:1.6.99.3] EOG8RR8ZT GO:0005739 1/91 mitochondrion cellular_component "A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration." [GOC:giardia, ISBN:0198506732]