EOG8MD0DM GO:0015671 1/79 oxygen transport biological_process "The directed movement of oxygen (O2) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore." [GOC:ai] EOG8MD0DM GO:0019825 1/79 oxygen binding molecular_function "Interacting selectively and non-covalently with oxygen (O2)." [GOC:jl] EOG8MD0DM GO:0005506 1/79 iron ion binding molecular_function "Interacting selectively and non-covalently with iron (Fe) ions." [GOC:ai] EOG8MD0DM GO:0020037 1/79 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]