v-ion

{
  "id": "MLC-T-CHM-012584",
  "term": "v-ion",
  "field": "Chemistry",
  "definition": "A fragment ion carrying the C-terminal part of a protonated peptide, formed in high-energy collisions, that corresponds to a y-ion whose N-terminal residue has lost its side chain. The loss leaves an H2N+=CH-CO- end structure. It belongs to the side-chain cleavage ions seen in high-energy collision-induced dissociation, together with d-ions and w-ions.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "y-ion"
  ],
  "references": [
    "PAC, 2013, 85, 1515. 'Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)' on page 1599 (https://doi.org/10.1351/PAC-REC-06-04-06)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/v-ion/"
}