Protein | Protein distribution | Corresponding gene | Chromosomal localisation | ||||
---|---|---|---|---|---|---|---|
Tears | Saliva | Nasal mucus | Bronchial mucus | ||||
Lysozyme14 | ++++ | + | ++++ | ++++ | LYZ2 | 12 | |
Lactoferrin | ++++ | + | ++++ | ++++ | LACT3 | 3 | |
Tear lipocalin (VEGP) | ++++ | + | ? | +/−4 | LCN15 6 | 9q 34.3 | |
Secretory IgA14 | ++++ | +++ | ++++ | ||||
Immunoglobulin A | IGHA7 | 14q32.33 | |||||
Secretory component | SC or PIGR8 | 1q31-q42 | |||||
J chain | IGJ9 | 4q21 | |||||
Cystatin S14 | + | ++ | + | + | CST310 11 | 20p11.2 | |
Mucin | + | ++++ | ++++ | ++++ | MUC 112 | 1q21-24 | |
MUC5AC13 | 11p15 |