KPV is a tripeptide consisting of lysine-proline-valine, corresponding to the C-terminal fragment of alpha-melanocyte-stimulating hormone (α-MSH). Despite its very small size, it is studied as a tool compound in inflammation research, valued for combining chemical simplicity with a defined activity profile.
A minimal active fragment
KPV retains anti-inflammatory activity associated with the parent α-MSH sequence while lacking the pigmentation-linked melanocortin signaling of larger analogs such as melanotan-II. This separation makes it a comparatively clean probe for the inflammation arm of α-MSH biology.
Why its size is an advantage
Being only three residues long, KPV is inexpensive to synthesize, easy to purify, and simple to characterize, which supports reproducible experimental design. Its brevity also minimizes batch-to-batch variability that can complicate work with longer peptides.
Relationship to related peptides
KPV is closely related to the GHK-KPV concept and to GHK-Cu research, and its short chain means its amino acid sequence is straightforward to verify. These relationships place it within a family of compact peptides studied for cellular and regulatory effects.
Research context
Reproducible results depend on verified identity and purity — see how to read a COA for guidance on confirming what a research vial actually contains.
How it is positioned in research
Within peptide research, KPV occupies a niche as a compact single-motif probe rather than a multifunctional signaling molecule. Reducing the parent sequence to its terminal tripeptide removes many structural variables and makes comparison experiments easier to interpret. Researchers can examine the fragment alone, against the larger parent, or within a hybrid peptide while asking which observations follow the KPV motif. That focused role is distinct from claims about applications outside controlled laboratory systems.
Product page: KPV research vials.
Research Use Only. Supplied strictly for laboratory research and development — not for human or veterinary use, consumption, or any therapeutic or diagnostic purpose. This article is research education, not usage guidance.