1. Specific cleavage of the protein;Allen,1989
2. Matrix‐assisted laser desorption/ionization coupled with quadrupole/orthogonal acceleration time‐of‐flight mass spectrometry for protein discovery, identification, and structural analysis;Baldwin;Anal. Chem.,2001
3. LC–MS methods for the selective detection of post‐translational modifications in proteins: Glycosylation, phosphorylation, sulfation, and acylation;Bean,1995
4. Rapid, sensitive analysis of protein mixtures by mass spectrometry;Beavis;Proc. Natl. Acad. Sci. USA,1990
5. Specific cleavage of peptides containing an aspartic‐acid (beta‐hydroxamic acid) residue;Blodgett;J. Am. Chem. Soc.,1985