Table 2. Number of protein functions according to GO annotation in human and bovine milk.

Function	Human	Bovine	Common
Cell wall/cell adhesion	21	17	8
Coagulation	3	7	3
Cytoskeleton	12	8	7
Enzymes	70	50	25
Host defense	44	51	33
Other	18	13	9
Protease inhibitor	12	15	8
Protein synthesis/chaperone	11	9	4
Signaling	15	19	7
Transport	48	64	39
Unknown	14	16	4