EOG8DNHJD GO:0005507 33/127 copper ion binding molecular_function "Interacting selectively and non-covalently with copper (Cu) ions." [GOC:ai] EOG8DNHJD GO:0016491 31/127 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] EOG8DNHJD GO:0004322 1/127 ferroxidase activity molecular_function "Catalysis of the reaction: 4 Fe2+ + 4 H+ + O2 = 4 Fe3+ + 2 H2O." [EC:1.16.3.1] EOG8DNHJD GO:0008447 1/127 L-ascorbate oxidase activity molecular_function "Catalysis of the reaction: 2 L-ascorbate + O2 = 2 dehydroascorbate + 2 H2O." [EC:1.10.3.3] EOG8DNHJD GO:0031233 1/127 intrinsic component of external side of plasma membrane cellular_component "The component of a plasma membrane consisting of gene products and protein complexes that penetrate the external side of the plasma membrane only, either directly or via some covalently attached hydrophobic anchor." [GOC:dos, GOC:mah] EOG8DNHJD GO:0055072 1/127 iron ion homeostasis biological_process "Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell." [GOC:ai, GOC:jid, GOC:mah] EOG8DNHJD GO:0045178 1/127 basal part of cell cellular_component "The region of a cell situated near the base. For example, in a polarized epithelial cell, the basal surface rests on the basal lamina that separates the epithelium from other tissue." [GOC:mah, ISBN:0185316194] EOG8DNHJD GO:0009986 1/127 cell surface cellular_component "The external part of the cell wall and/or plasma membrane." [GOC:jl, GOC:mtg_sensu, GOC:sm]