Table 2.

Number of proteins with 0 peptides over a given peptide detection range

Peptide MW range	Number of proteins that has 0 peptides
500<x<1000	379
500<x<2000	139
500<x<3000	101
500<x<4000	73
500<x<5000	64
1000<x<2000	311
2000<x<3000	700
3000<x<4000	2163
4000<x<5000	4820
5000<x<6000	7953
>6000	9006