Unimod, View record [
Accession #: 264
]
| Accession # |
264 |
PSI-MS Name |
PET |
Interim Name |
PET |
| Description |
phosphorylation to pyridyl thiol |
| Alt. Description |
b-elimination PET derivatisation |
| Composition |
H(7) C(7) N O(-1) S |
Monoisotopic |
121.035005 |
Average |
121.2028 |
| Site |
S |
Position |
Anywhere |
Classification |
Chemical derivative |
| Site |
T |
Position |
Anywhere |
Classification |
Chemical derivative |
| Source |
Book |
Reference |
Manfredo Quadroni in: ''Proteome Research: Mass Spectrometry (ed. P.James)'' pp 187-206 |
| Notes |
PET = 2-[4-pyridyl]ethanethiol. This modification is a chemical derivative, based on a alkaline catalysed beta-elimination of phosphoserines and phosphothreonines and subsequent 1,4-addition of 2-[4-pyridine]ethanethiol. These modified serines and threonines produce in MS/MS a characteristic fragment which can be used for precursor-ion-scan experiments. |
| Curator |
vbad |
Last Modified |
2006-10-16 12:48:51 |
Verified |
Yes |
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