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Accession #  40 PSI-MS Name  Sulfo Interim Name  Sulfation
Description  O-Sulfonation
Composition  O(3) S Monoisotopic  79.956815 Average  80.0632
Specificity Definition 1
Site  S Position  Anywhere Classification  Post-translational
Neutral Loss  O(3) S Monoisotopic  79.956815 Average  80.0632
Comment  Because the modification is quantitatively lost on CID, site assigment is not possible when there is a choice of sites
Specificity Definition 2
Site  T Position  Anywhere Classification  Post-translational
Neutral Loss  O(3) S Monoisotopic  79.956815 Average  80.0632
Comment  Because the modification is quantitatively lost on CID, site assigment is not possible when there is a choice of sites
Specificity Definition 3
Site  Y Position  Anywhere Classification  Post-translational
Neutral Loss  O(3) S Monoisotopic  79.956815 Average  80.0632
Comment  Because the modification is quantitatively lost on CID, site assigment is not possible when there is a choice of sites
Specificity Definition 4
Site  C Position  Anywhere Classification  Post-translational
Comment  Sulfitolysis
Notes and References 
Source  RESID Reference  AA0172
Source  PubMed PMID Reference  14752058
Source  RESID Reference  AA0362
Source  Journal Reference  Medzihradszky et al., Mol. Cell. Proteomics 2004, 3, 429-440
Source  FindMod Reference  SULF
Source  RESID Reference  AA0171
Source  RESID Reference  AA0361
Curator  unimod Last Modified  2012-02-14 17:50:32 Verified  Yes
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