Molecule function/category Number of peptides matcheda,b,c
Total=124 (%)
I. Antigen receptors
   1.Antibodies and immunoglobulins 52 (42.0%)
   2.T-cell receptor chains 7 (5.7%)
II. Antigen-presenting molecules (MHC I and MHC II) 6 (4.95)
III. Adhesion molecules 10 (8.1%)
IV. Cytokine and growth factors 8 (6.5%)
V. Receptor tyrosine kinase/phosphatase 7 (5.7%)
VI. Others
1. IgSF related (e.g., titin) 12 (9.7%)
Total with homology; 75/124 (60.5%)
2. IgSF unrelated (e.g., mucin) 9 (7.3%)
aAcid –eluted CA215 (lots CA215A and CA215B) was used to MALDI-TOF MS analysis with MASCOT Program from http://www.matrixscience.com.
bExcluding overlapping matched peptides.
cReference [16] with permission.
Table 1: Molecular analysis of CA215 based on MALDI-TOF MS analysis of tryptic peptides.