Mycotoxin. Antibacterial (Gram-positive) and antifungal. Immunoregulator by degradation of IkappaB (Inhibitor of NF-kappaB) and regulation of the TNF-alpha (tumor necrosis factor-alpha) and MAPK (mitogen-activated protein kinase) signaling pathways.Source:Penicillium citreo-virideFormula:C15H14O5Solubility:Soluble in chloroform, tetrahydrofuran or DMSO; poorly soluble in H2O.Molecular Weight:~274.3Storage 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.