Anti-Hepatitis C Virus NS4a protein Antibody (FITC) [S4-13]

This FITC-conjugated mouse monoclonal antibody (clone S4-13), supplied by Antibodies.com, targets the non-structural NS4a protein of Hepatitis C Virus and is supplied as a 50 µg liquid preparation validated for Western blot, immunofluorescence, and ELISA workflows. The IgG2b isotype reagent enables direct fluorescence readout without a secondary antibody step, making it useful for visualizing NS4a subcellular localization in HCV-infected cells and for tracking viral protein expression across experimental systems. Store refrigerated and protect from light to preserve the FITC fluorophore, aliquoting after first thaw to limit freeze-thaw damage. Because NS4a serves as a cofactor for the NS3 serine protease and anchors the viral replication complex to host intracellular membranes, this clone supports research into polyprotein processing, replicase assembly, and antiviral drug screening assays in vitro.