View source for X-ion

{{Final
|acronym=
|def=[[Fragment ion]] containing the peptide C-terminus formed upon dissociation of a peptide ion at the peptide backbone C-C bond.
|rel=
|ref=P. Roepstorff, J. Fohlman. Biomed. Mass Spectrom. 11, 601 (1984). (http://dx.doi.org/10.1002/bms.1200111109 ) 
}}

==Gallery==
{{Gallery|file=File:Peptide fragmentation.gif|caption=Roepstorff fagmentation notation for a arbitrary peptide with 4 (four) residues.}}
==See also==
{{psims|1001228}}
{{psims|1001519}}
{{psims|1001520}}

{{DEFAULTSORT:Xion}}
[[Category:Proteomics]]