A Protocol for Top-Down Proteomics Using HPLC and ETD/PTR-MS - LC-MS/MS in Proteomics: Methods and Applications - page 343

Fig. 21.3. ETD/PTR with database searching to infer identity. ETD/PTR data generated from intact enolase (Saccharomyces cereviseae)( A ) intact protein with simple charge state
deconvolution;