4 important forces:
[WG21:p547]
Also facilitates the action of AT3
Also a co-factor for lipoprotein lipase
Protamine forms irreversible complex with heparin
--> Neutralise heparin
Haemophilia A = Factor 8 deficient
* aka classic haemophilia
Haemophilia B = Factor 9 deficient
* aka Christmas disease
Haemophilia A and B are sex-linked