Protagenic Therapeutics, Inc., a pre-clinical biopharmaceutical company, engages in the discovery and development of therapeutics to treat stress-related neuropsychiatric and mood disorders. Its lead compound, PT00114 is a synthetic form of teneurin carboxy-terminal associated peptide, an endogenous brain signaling peptide that can dampen overactive stress responses. The company was founded in 2016 and is based in New York, New York.