EOG8N5ZCB	GO:0020037	25/98	heme binding	molecular_function	"Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring." [CHEBI:30413, GOC:ai]
EOG8N5ZCB	GO:0046872	23/98	metal ion binding	molecular_function	"Interacting selectively and non-covalently with any metal ion." [GOC:ai]
EOG8N5ZCB	GO:0016491	22/98	oxidoreductase activity	molecular_function	"Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced." [GOC:go_curators]
EOG8N5ZCB	GO:0004128	2/98	cytochrome-b5 reductase activity, acting on NAD(P)H	molecular_function	"Catalysis of the reaction: NAD(P)H + H+ + 2 ferricytochrome b(5) = NAD(P)+ + 2 ferrocytochrome b(5)." [EC:1.6.2.2, ISBN:0198547684]