Fig. 2

Reconciliation scheme for consensus peptide sequence of each spectrum cluster. Consensus spectrum and its replicate spectra were identified by multiple sequencing methods. For each spectrum (consensus and replicate spectrum), the peptide sequence was determined in a hierarchical order of database search, open modification search, and de novo sequencing. The peptide sequences of consensus spectrum and all of its replicate spectra voted for the final consensus peptide sequence of that spectrum cluster according to the majority rule