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Accession #  214 PSI-MS Name  iTRAQ4plex Interim Name  iTRAQ
Description  Representative mass and accurate mass for 116 & 117
Alt. Description  AKA iTRAQ4plex116/7
Alt. Description  Applied Biosystems iTRAQ(TM) multiplexed quantitation chemistry
Composition  H(12) C(4) 13C(3) N 15N O Monoisotopic  144.102063 Average  144.1544
Specificity Definition 1
Site  K Position  Anywhere Classification  Isotopic label
Specificity Definition 2
Site  N-term Position  Any N-term Classification  Isotopic label
Specificity Definition 3
Site  Y Position  Anywhere Classification  Isotopic label
Comment  Low abundance
Specificity Definition 4
Site  H Position  Anywhere Classification  Isotopic label
Comment  Very low abundance
Specificity Definition 5
Site  S Position  Anywhere Classification  Isotopic label
Comment  Very low abundance
Specificity Definition 6
Site  T Position  Anywhere Classification  Isotopic label
Comment  Very low abundance
Specificity Definition 7
Site  N-term Position  Protein N-term Classification  Isotopic label
Specificity Definition 8
Site  C Position  Anywhere Classification  Isotopic label
Comment  side reaction
Notes and References 
Source  Journal Reference  Anal Chem. 2011 Feb 1; 83(3): 701–707
Source  Misc. URL Reference  Applied Biosystems Chemistry Reference Guide
Notes  Different channels have the same nominal mass but slightly different exact masses. Use this value for all channels for quantitation purposes. mTRAQ heavy is identical to iTRAQ4plex 117
Curator  unimod Last Modified  2017-11-09 09:35:25 Verified  No
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