Tentoxin

Description: Tentoxin, a cyclic peptide produced by phytopathogenic fungi, inactivates the F1 motor in sensitive plants at nanomolar to micromolar concentrations, whereas higher concentrations surpass the natural activity of the enzyme. Target: Endogenous Metabolite. Smiles: C(=C/1\N(C)C(=O)[C@H](CC(C)C)NC(=O)[C@H](C)N(C)C(=O)CNC1=O)\C2=CC=CC=C2. References: Arntzen CJ. Inhibition of photophosphorylation by tentoxin, a cyclic tetrapeptide. Biochim Biophys Acta. 1972 Dec 14,283(3):539-42.