Table 2.

Results of screening all human proteins in Swissprot for blood-secreted proteins

No.of human proteins in Swissprot	20 832
No. of proteins annotated as secreted	1563
No. of potentially secreted proteins based on signal	2 308
peptide and location (Welsh et al., 2003)
No. of blood-proteins
All reported	15 710
High confidence	3020
No. of SVM predicted blood-secreted proteins	4063