Inhibitor of furin (Ki values are 0.106, 0.58 and 13.2um for furin, PACE4 and PC1 respectively).Sequence:D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-NH2Solubility:20% acetonitrile/H2O (~1mg/ml)Molecular Weight:~954.16Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.