For best results and reproducibility, rehydrate peptide just before use. Do not attempt to weigh out smaller portions. Do not refreeze any unused portions.
5-10 Times more potent than BQ123, JKC-301 is an ETA receptor antagonist. The effects on vasoconstrictor responses were studied in the pulmonary vascular bed of the cat - H. Lippton et al., American Heart Ass., 66th Scientific Sessions, Georgia World Congress, (1993).