C J Cassady
Affiliation: Miami University
- Gas-phase reactivity and molecular modeling studies on triply protonated dodecapeptides that contain four basic residuesC J Cassady
Department of Chemistry and Biochemistry, Miami University, Oxford, Ohio, USA
J Am Soc Mass Spectrom 9:716-23. 1998..The slower, incomplete H/D exchange of [(KGG)4 + 4H]4+ and [(K2G4)2 + 4H]4+ is attributed to the inability of their protonated lysine n-butylamino groups (which extend away from the peptide backbone) to form this intermediate...