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SS-31, also known in scientific literature as Elamipretide, is one of the most important mitochondria-targeted peptides in modern laboratory research. Unlike most peptides that interact with cell-surface receptors, SS-31 is studied because it accumulates on the inner mitochondrial membrane and binds cardiolipin, making it highly relevant in bioenergetics, oxidative-stress modeling, and mitochondrial-structure research.
SS-31 is a synthetic mitochondria-targeted tetrapeptide with the sequence D-Arg-Dmt-Lys-Phe-NH₂. It is studied because it binds cardiolipin on the inner mitochondrial membrane, where it is associated with mitochondrial-structure stabilization, lower reactive oxygen species production, and improved bioenergetic signaling in laboratory models.
SS-31 has become one of the most important peptides in Canadian mitochondrial research because its mechanism is unusually specific. Instead of acting through a typical receptor pathway, it is studied for how it interacts directly with cardiolipin on the inner mitochondrial membrane, a feature that gives it a central role in bioenergetic and oxidative-stress research.
SS-31 is a small synthetic peptide used by researchers to study mitochondria, the structures inside cells that produce energy. It works by binding cardiolipin, a key lipid inside the mitochondria, which helps scientists study energy production, membrane stability, and oxidative-stress pathways.
In Canada, SS-31 is often grouped into a broader mitochondrial research cluster alongside MOTS-C, NAD+, Humanin-related research, and other pathways tied to cellular energy and structural resilience.
SS-31 is a small linear tetrapeptide with the sequence D-Arg-Dmt-Lys-Phe-NH₂ and a net positive charge that supports its mitochondrial targeting behavior.
This makes SS-31 one of the clearest examples of a mitochondria-targeted research peptide with a distinct structural and mechanistic profile.
The central mechanism of SS-31 research is its high-affinity interaction with cardiolipin, a phospholipid found primarily on the inner mitochondrial membrane.
| Component | What Researchers Study | Why It Matters |
|---|---|---|
| Cardiolipin localization | Inner mitochondrial membrane targeting | Cardiolipin is critical for mitochondrial cristae structure and ETC organization. |
| Cardiolipin stabilization | Protection from peroxidation and structural disruption | Helps explain why SS-31 is tied to mitochondrial membrane stability. |
| Electron transport chain organization | Maintenance of ETC supercomplex integrity | Supports why SS-31 is discussed in ATP and bioenergetics research. |
| Reactive oxygen species reduction | Lower ROS generation at the mitochondrial source | Distinguishes SS-31 from compounds that only scavenge ROS after formation. |
Researchers study SS-31 because damaged cardiolipin can destabilize mitochondrial cristae and disrupt electron transport chain supercomplexes, increasing reactive oxygen species and weakening ATP production. By binding cardiolipin, SS-31 is hypothesized to preserve membrane organization and support cleaner mitochondrial function in stress models.
SS-31 remains popular because its in-vitro behavior is relatively consistent and because it fits naturally into high-value mitochondrial research frameworks.
This wider mitochondrial research cluster is a major reason SS-31 continues to attract serious attention from labs focused on cellular energy, structural stress, and resilience pathways.
Mitochondrial research depends heavily on reproducibility, so purity and documentation standards are especially important with SS-31.
| Standard | Why It Matters |
|---|---|
| ≥99% HPLC-verified purity | Supports cleaner mitochondrial and oxidative-stress modeling. |
| Batch-specific COA | Improves traceability and repeatability. |
| Mass spectrometry confirmation | Supports identity verification and molecular-weight accuracy. |
| Proper lyophilization | Helps preserve stable handling and storage quality. |
| Accurate labeling | Reduces confusion across batches and research workflows. |
Shipping quality matters because mitochondrial research materials benefit from predictable handling and lower transit instability.
SS-31 must remain within a research-use-only framework in Canada.
Canadian researchers usually avoid suppliers that weaken documentation quality, transparency, or shipping clarity.
Transparency is especially important with a peptide like SS-31 because mitochondrial pathway research depends on stable, well-documented material.
These answers cover the most common SS-31 research and sourcing questions in 2026.
SS-31 is studied because it binds cardiolipin on the inner mitochondrial membrane, which may help preserve cristae structure, support electron transport chain organization, reduce ROS generation, and improve ATP-related bioenergetic signaling in laboratory models.
SS-31 is studied in broader mitochondrial and muscle-function research because mitochondrial efficiency is closely linked to muscular energy performance and structural resilience.
Because mitochondrial stress and oxidative damage are major research themes in neurodegeneration, SS-31 is frequently discussed in neuronal and neuroprotective laboratory contexts.
Researchers generally keep lyophilized SS-31 under controlled cold-storage conditions consistent with standard peptide-handling protocols and supplier storage guidance.
Luxara Labs emphasizes ≥99% purity targets, batch-specific COAs, mass-spectrometry verification, clear labeling, and broader transparency resources so researchers can evaluate sourcing standards more confidently.
These references support the cardiolipin, mitochondrial, oxidative-stress, and structural-membrane context discussed on this page.
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