Assertion: hemoglobin's iron atom | /r/AtLocation | ferrous fe2+oxidation state
Facets:
value: to support oxygen
type: PURPOSE
value: to support other gases
type: PURPOSE
Source sentences:
text: The iron atom in the heme group must initially be in the ferrous (Fe2+) oxidation state to support oxygen and other gases' binding and transport (it temporarily switches to ferric during the time oxygen is bound, as explained above).
text: The iron atom in the heme group must be in the ferrous (Fe2+) oxidation state to support oxygen and other gases' binding and transport.
text: The iron atom in the heme group must initially be in the ferrous (Fe2+) oxidation state to support oxygen and other gases' binding and transport (it temporarily switches to ferric during the time oxygen is bound, as explained above).
text: The iron atom in the heme group must be in the ferrous (Fe2+) oxidation state to support oxygen and other gases' binding and transport.
text: The iron atom in the heme group must initially be in the ferrous (Fe2+) oxidation state to support oxygen and other gases' binding and transport (it temporarily switches to ferric during the time oxygen is bound, as explained above).