← Glossary

Fragment

A peptide fragment is a sub-sequence of a larger peptide or protein. Fragments are studied to isolate which part of a molecule is responsible for a given activity.

The all-in-one peptide app

Stop reading, start tracking.

PepCue logs your doses, runs the vial math, counts your vials, and keeps the whole protocol in one place. It replaces the spreadsheet, the calculator, and the sticky notes.

  • Dose logging
  • Reconstitution math
  • Smart reminders
  • Vial & cost tracking
iPhone · free to start
Fragment — Definition