In the evolving field of biochemical research, few compounds have captured as much interest as the MTP 131 peptide. Often referred to in scientific literature by its developmental names, such as SS-31 or Bendavia, this compound represents a fascinating area of study regarding cellular energy pathways. My journey into understanding this molecule began with a deep dive into its unique chemical structure and the specific way it interacts with cellular components.
Understanding the Molecule: What is MTP 131?
At its core, the MTP 131 molecule is a synthetic tetrapeptide. Its formal chemical structure, often identified as D-Arg-dimethyl-Tyr-Lys-Phe-NH2, gives it a cationic 3+ charge at physiological pH. This specific charge is crucial, as it allows the molecule to selectively concentrate over 1,000-fold in the inner mitochondrial membrane.
For those looking into the technical specifications, MTP 131 is a mitochondria-targeted peptide antioxidant. Unlike general antioxidants that disperse throughout the cell, this mitochondria-targeting peptide is designed to localize specifically where t Elamipretide (Brand Name FORZINITY™ for Barth he energy production occurs. Many researchers observe that MTP-131 inhibits lipid peroxidation and prevents mitochondrial swelling, which are key markers of cellular stress.
The Mechanism of Action
The primary interest in Elamipretide (MTP-131, SS-31) stems from its ability to stabilize cardiolipin. Cardiolipin is a phospholipid essential for the structural integrity of the inner mitochondrial membrane. By binding to cardiolipin, this tetrapeptide compound helps maintain the efficiency of the electron transport chain.
Throughout my review of the available research, it becomes clear that SS-31 is a synthetic tetrapeptide that emerges as a promising candidate in combating mitochondrial dysfunction-related disorders. Because it is a small mitochondrially-targeted tetrapeptide, it possesses the necessary permeability to cross cell membranes efficiently.
Key Characteristics and Research Observations
When analyzing the data, several distinct features stand out:
* Targeted Delivery: It is a m by CT Brian·2020·Cited by 14—Along with its ROS reducing effects,MTP-131 inhibits lipid peroxidationand prevents mitochondrial swelling, aiding in mitochondrial protection Read more itochondria-targeting tetrapeptide that acts as a cytochrome c peroxidase inhibitor.
* Antioxidant Properties: As SS-31, by C Tung·2025·Cited by 71—Elamipretide (SS-31, MTP-131, Bendavia) is amitochondria-targeting tetrapeptidedesigned to treat mitochondrial dysfunction via binding to Read more a mitochondria-targeting antioxidant, it serves a vital role in research models investigating the reduction of reactive oxygen species (ROS).
* Structural Classification: Often described as an oligopeptide, its specific amino acid sequence is what allows it to function effectively within the mitochondrial matrix.
Whether Elamipretide: A Review of Its Structure, Mechanism you are looking for MTP-131 raw powder for laboratory analysis or s MTP 131 (acetate) (Elamipretide, SS-31, CAS Number tudying the broader applications of this mitochondrial-targeted peptide (MTP), the consistency in the literature is notable. It is frequently noted that elamipretide (MTP-131) has been studied f SS-31 (Elamipretide) Peptide or its poten The Mitochondria-Targeted Peptide Therapeutic tial to support cellular resilience.
Final Thoughts on Research Directions
It is important to distinguish that while elamipretide (MTP-131, SS-31) is a medication used for the treatment of Barth syndrome in clinical settings, the broader interest in the peptide community focuses on its role in basic science. MTP-131 is a mitochondrial-targeted tetrapeptide that continues to be a focal point for those interested in mitochondrial health.
As someone who follows these developments closely, I find that the precision of this small peptide is what sets it apart. The ability to target the "powerhouse of the cell" with such specificity remains one of the most compelling aspects of modern peptide research. Always ensure that when sourcing these materials for research, you verify the purity and the credentials of the provider to ensure the integrity of your experimental results.