Assertion: ligand's group | /r/CapableOf | fix the metal ion
Facets:
value: in a specific position
type: OTHER
value: in enzymes
type: OTHER
Source sentences:
text: For example, in enzymes that need complexed metal ions to function, mercapto (sulfur-containing) groups and amino (nitrogen-containing) groups act as chelating agents; these groups fix the metal ion in a specific position.