Assertion: hemoglobin's oxygen | /r/HasProperty | bound in an end on
Facets:
value: on ’ position
type: LOCATION
value: between the hydroxyl group
type: LOCATION
value: between a single iron ion
type: LOCATION
value: reversibly
type: MANNER
Source sentences:
text: Between the hydroxyl group and a single iron ion, oxygen is bound reversibly in an ‘end on’ position (Fig. 1) .