Assertion: disaccharide | /r/CapableOf | comprise a nitrogen group
Facets:
value: on the glucosamine unit
type: LOCATION
value: in position
type: LOCATION
Source sentences:
text: They comprise, in fact, on the glucosamine unit a nitrogen group in position 2 and a primary alcohol group advantageously sulfated in position 6, and on the glucuronic acid unit a functional group acid or derived from an acid, in position 6.