Angucycline antibiotic. Antibacterial. Antitumor compound. Active against Gram-positive bacteria and P388 leukaemia cells. Farnesyl-protein transferase inhibitor. Inhibitor of nitric oxide synthase (NOS) (shown for Saquayamycin A1).Source:Streptomyces nodosusFormula:C31H32O12Solubility:DMSO, methanol or chloroformMolecular Weight:~596.6Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months 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.