| Fc fragment of IgG binding protein |
FCGBP |
797 |
Binds to IgG on mucosal surfaces [43] |
| Polymeric immunoglobulin receptor (precursor) |
PIGR |
571 |
Transports IgA across epithelial cells [44] |
| BPI fold-containing family A member 2 |
BPIFA2 |
466 |
Key components of the innate immune response against Gram-negative bacteria [45] |
| BPI fold-containing family B member 1 isoform X2 |
BPIFB1 |
352 |
Key components of the innate immune response against Gram-negative bacteria [45] |
| Albumin |
ALB |
296 |
Serum-derived protein believed to passively enter saliva. Saliva-specific functions include binding to hydroxyapatite and lubrication of oral tissues [46] |
| Ovostatin homolog 2-like |
LOC611455 |
270 |
GO: serine-type endopeptidase inhibitor activity |
| Mucin 19 |
MUC19 |
264 |
Gel-forming mucin that lubricates saliva and plays a role in reducing adherence and increasing clearance of bacteria [47] |
| Angiopoietin-related protein 5-like |
LOC607055 |
261 |
Not reported |
| Actin gamma 1 |
ACTG1 |
244 |
Cytoskeletal protein with multiple functions in the defense against intracellular pathogens [48] |
| Ig lambda chain V-I region BL2 |
LOC607368 |
219 |
Component of immunoglobulin light chains |
