Table 2. Summary of peptide identification in wastewater datasets based on the assembly of combined metagenomic and metatranscriptomic data.

	SD3		SD6		SD7
	PSMs (%)	Unique Pep	PSMs (%)	Unique Pep	PSMs (%)	Unique Pep
FragGeneScan (i.e., using contigs only)	18,498 (3.06%)	4,736	9,055 (6.03%)	4,607	6,524 (4.40%)	3,540
Graph2Pep (1st)	43,946 (7.28%)	11,546	14,514 (9.66%)	7,528	16,761 (11.30%)	8,488
Union (1st)	52,498 (8.69%)	13,928	18,468 (12.29%)	9,743	19,184 (12.94%)	10,002
Graph2Pro (2nd)	73,527 (12.18%)	18,162	23,849 (15.88%)	11,617	23,750 (16.01%)	11,366