Ready-to-use ELISA kits are available for the detection of ISG-54 K, an alias of the protein, interferon induced protein with tetratricopeptide repeats 2. The official gene symbol is IFIT2. The protein, with a mass of 54.6 kDa and length of 472 residues, is reported to be cytoplasmic. It is a member of the IFIT family and may be known by other names, including: IFI-54K, IFI-54, G10P2, interferon-induced protein 54, interferon-induced 54 kDa protein, and Interferon alpha-inducible protein (MW 54kD), and IFIT-2.