In {TAIL ~ this process} {HEAD ~ the peptide} of interest first binds to one of the metals present in the ESI capillary and then under CDSECSI conditions the metal is ionized and the metal peptide complex becomes an odd electron cation 
In
In { TAIL ~ this process } { HEAD ~ the peptide } of interest first binds to one of the metals present in the ESI capillary and then under CDSECSI conditions the metal is ionized and the metal peptide complex becomes an odd electron cation
REL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH