Internal fragment

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Internal fragment
Fragment ion of a peptide ion precursor formed by a double backbone cleavage that contains neither the original C- or N-terminal residues. Typically a combination of b- and y-type cleavages or occasionally an a- and y-type combination.
Related Term(s):

S. Sekiya, Y. Wada, K. Tanaka. Anal. Chem. 76, 5894 (2004). ( )

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

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