Mouse and rat have the same sites for glutamic acid carboxylation and likely exhibit the same pattern of ??-carboxylation. (See for instance Degen, Seminars in Thrombosis and Hemostasis 18(2): 230-242 (1992) which is incorporated herein by reference in its entirety, particularly as to the foregoing in parts pertinent to ??-carboxylation of prothrombins.) Gamma-carboxylation of some of the residues