Fig. 4From: Comparative salivary proteomics analysis of children with and without dental caries using the iTRAQ/MRM approachFunctional interaction networks of target proteins validated by MRM. The protein–protein interaction networks consisting of 42 proteins were listed in Additional file 4: Table S4, where depicted 63 interaction links between individual nodes/proteins. The light blue lines represent database evidence; the purple lines represent experimental evidence; the yellow lines represent text mining evidence; and the black lines represent co-expression evidenceBack to article page