Table III

Number of peptide and protein identifications from the present study obtained by filtering with different criteria

FilterPeptides identifiedProteins identifiedaMultipeptide proteinsAverage peptides per proteinEstimated false discovery rateb
%
Reversed database22,2673,6541,494 (40.9%)6.1∼4
HUPO30,5247,9282,850 (35.9%)3.9∼25
Hood et al. (21)66,83918,95811,653 (61.5%)3.5∼66
  • a Non-redundant protein identifications.

  • b Calculated at unique peptide level based on reversed database evaluation (38).