Human Factor XIa
250 à 450 units/mg
MW(Da) : 160 000
Extinction coef. : 13.4
Activity determined by FXI coagulation tests
Structure: 2 heavy chains of identical appearance (MW: 50,000 Da) and 2 light chains of identical appearance (MW: 30,000 Da) held together by disulfide bridges.
Each light chain contains a catalytic domain.