Purity > 90% as determined by SDS-PAGE. MW: 51.1kDa. Full Length: 1-218aa. N-terminal GST-tagged. Homo sapiens (Human). Suppressor of innate inflammatory and immune responses involved in curbing excessive inflammation. This function requires SMAD3. Suppresses, or reduces, proinflammatory cytokine production, including IL1A and IL6, as well as CCL12, CSF1, CSF2, CXCL13, IL1B, IL23A and IL1RN, but spares anti-inflammatory cytokines. Inhibits dendritic cell activation.