For best results and reproducibility, rehydrate peptide just before use. Do not refreeze any unused portions.Do not attempt to weigh out smaller portions.
Intestinal guanylate cyclase activator - R. C. Wiegand et al., FEBS letters 311, 150 (1992); F. J. de Sauvage et al., PNAS 80, 9089 (1992).