Externa
- Biotech or pharma, therapeutic R&D

Externa is a biotechnology company pioneering the development of next-generation protein therapeutics using nonstandard amino acids (nsAAs). By engineering synthetic biology platforms that incorporate an unprecedented variety of nsAAs, Externa enables the creation of precision protein drugs with enhanced stability, specificity, and novel modes of action. Its technologies aim to overcome the limitations of conventional antibodies and biologics, unlocking new therapeutic strategies for cancer, autoimmunity, and other challenging diseases.
Address
CambridgeMassachusetts
United States