Purity > 85% as determined by SDS-PAGE. MW: 20.7kDa. Full Length of Mature Protein: 19-178aa. C-terminal 10xHis-tagged. Macaca mulatta (Rhesus macaque). Inhibits the synthesis of a number of cytokines, including IFN-gamma, IL-2, IL-3, TNF and GM-CSF produced by activated macrophages and by helper T-cells.