GRB2 was not found in the LC-MS/MS results, SFPQ was not enriched in any pathway in the Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis, and neither ITPR3, CCL5, CCR1, nor Gαi was found to participate in the HSA05163 (human cytomegalovirus infection) signaling pathway. Here, GRB2 is linked to cytomegalovirus infection.