SEARCH Articles Figures Tables Electron spin label peptides Electron transfer dissociation peptide charge state Electron transfer dissociation peptide selection Electron-impact mass spectra (EIMS) of peptide derivatives Electronic transition peptide chromophore Heme peptide direct electron transfer Identification of Disulfide-Containing Peptides by Electron-Capture Dissociation Intra-peptide electron transfer Peptides, electronic transitions Stephan S., Long-Range Electron Transfer in Peptides and Proteins