Intrachain calcium binding.
D015055:1-Carboxyglutamic Acid / Q000737:chemistry / Q000378:metabolism*; D000818:Animals; D001779:Blood Coagulation Factors / Q000737:chemistry / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism*; D002462:Cell Membrane / Q000378:metabolism*
D001779:Blood Coagulation Factors; D015055:1-Carboxyglutamic Acid; D002118:Calcium