How Is MOTS-c Manufactured? Peptide Synthesis, Sequence & Purity (2026)

How is MOTS-c manufactured? MOTS-c is a mitochondrial-derived peptide encoded by the mitochondrial 12S rRNA gene (MT-RNR1). Research-grade MOTS-c is not extracted from cells. It is built by solid-phase peptide synthesis (SPPS) as a 16-amino-acid chain, typically written as MRWQEMGYIFYPRKLR.
Manufacturing starts with the sequence. Each amino acid is coupled in order on a resin, then the finished peptide is cleaved, deprotected, and collected as a crude product. That crude mix is purified by reverse-phase HPLC so the target MOTS-c peak is separated from incomplete sequences and synthesis byproducts. Identity is confirmed by mass spectrometry. Purity is reported as an HPLC percentage. The peptide is then lyophilized into a stable powder for research use.
Quality control is the difference between a named MOTS-c lot and an unverified vial. A useful certificate of analysis should match the batch, show the correct molecular weight, and list purity, appearance, and test method. Ask whether endotoxin and residual solvent data are included.
This video walks through MOTS-c peptide manufacturing step by step: sequence, SPPS, HPLC purification, lyophilization, and how to read a COA. Educational content only. Research use only. Not for human consumption.
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