MOTS-C is a 16-amino-acid peptide encoded within the mitochondrial genome, making it part of a relatively small group of mitochondria-derived peptides (MDPs). This unique genetic origin has made MOTS-C a valuable research tool for investigating mitochondrial-to-nuclear communication pathways, intracellular signaling networks, transcriptional regulation mechanisms, and the molecular processes governing mitochondrial signaling systems.

Research involving MOTS-C has reported interactions with AMP-activated protein kinase (AMPK), FOXO-associated signaling pathways, antioxidant response element (ARE)-associated regulatory networks, and downstream transcriptional processes. These characteristics have established MOTS-C as a useful compound for studying signal transduction mechanisms, pathway-specific regulatory systems, mitochondrial communication networks, and adaptive signaling processes.

Although both MOTS-C and Humanin are classified as mitochondria-derived peptides, they differ in amino acid sequence, molecular structure, signaling interactions, and pharmacological characteristics. Comparative investigations utilize these peptides to examine distinct aspects of mitochondrial signaling, peptide-mediated regulatory mechanisms, mitochondrial-to-nuclear communication pathways, and structure-function relationships within the broader class of mitochondria-derived peptides.