title: Chemistry. Mass spectrometry: bottom-up or top-down?
authors.affiliation: Laboratory for Mass Spectrometry and Gaseous Ion Chemistry, Rockefeller University, New York, NY 10021, USA. chait@rockefeller.edu
authors.forename: Brian T
authors.initials: BT
authors.lastname: Chait
mesh_terms: D000595:Amino Acid Sequence; D013058:Mass Spectrometry / Q000379:methods*; D008970:Molecular Weight; D010446:Peptide Fragments / Q000737:chemistry; D011487:Protein Conformation; D011506:Proteins / Q000737:chemistry* / Q000302:isolation & purification; D040901:Proteomics; D021241:Spectrometry, Mass, Electrospray Ionization / Q000379:methods*; D019032:Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
chemical_list: D010446:Peptide Fragments; D011506:Proteins