Table 1. A breakdown of the 529 human secreted proteins in the training dataset according to the 11 different types of body fluids into which they can be secreted.

Type	Body fluid	Number of proteins in dataset
1	Amniotic fluid	192
2	Bronchoalveolar lavage fluid	65
3	Cerebrospinal fluid	204
4	Milk	71
5	Nipple aspiration fluid	37
6	Plasma/Serum	418
7	Saliva	175
8	Seminal fluid	155
9	Synovial fluid	63
10	Tear	84
11	Urine	244
Sum		1,708