"Enables the directed movement of oxygen into, out of, within or between cells [goid 5344] [evidence IEA]; Interacting selectively with iron (Fe) ions [goid 5506] [evidence IEA]; Interacting selectively with oxygen (O2) [goid 19825] [evidence IEA]; Interacting selectively with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring [goid 20037] [evidence IEA]; Interacting selectively with any metal ion [goid 46872] [evidence IEA]; Enables the directed movement of oxygen into, out of, within or between cells [goid 5344] [evidence IEA]; Interacting selectively with iron (Fe) ions [goid 5506] [evidence IEA]; Interacting selectively with oxygen (O2) [goid 19825] [evidence IEA]; Interacting selectively with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring [goid 20037] [evidence IEA]; Interacting selectively with any metal ion [goid 46872] [evidence IEA]; Enables the directed movement of oxygen into, out of, within or between cells [goid 5344] [evidence IEA]; Interacting selectively with iron (Fe) ions [goid 5506] [evidence IEA]; Interacting selectively with oxygen (O2) [goid 19825] [evidence IEA]; Interacting selectively with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring [goid 20037] [evidence IEA]; Interacting selectively with any metal ion [goid 46872] [evidence IEA]; Enables the directed movement of oxygen into, out of, within or between cells [goid 5344] [evidence IEA]; Interacting selectively with iron (Fe) ions [goid 5506] [evidence IEA]; Interacting selectively with oxygen (O2) [goid 19825] [evidence IEA]; Interacting selectively with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring [goid 20037] [evidence IEA]; Interacting selectively with any metal ion [goid 46872] [evidence IEA]; Enables the directed movement of oxygen into, out of, within or between cells [goid 5344] [evidence IEA]; Interacting selectively with iron (Fe) ions [goid 5506] [evidence IEA]; Interacting selectively with oxygen (O2) [goid 19825] [evidence IEA]; Interacting selectively with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring [goid 20037] [evidence IEA]; Interacting selectively with any metal ion [goid 46872] [evidence IEA]; Enables the directed movement of oxygen into, out of, within or between cells [goid 5344] [evidence IEA]; Interacting selectively with iron (Fe) ions [goid 5506] [evidence IEA]; Interacting selectively with oxygen (O2) [goid 19825] [evidence IEA]; Interacting selectively with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring [goid 20037] [evidence IEA]; Interacting selectively with any metal ion [goid 46872] [evidence IEA]"