The human embryonic kidney cell (HEK) derived recombinant Zika NS1 protein strain MR-766 (Prototype, Uganda, 1947, GenBank accession number AY632535). The Zika NS1 protein is fused to a 6xHis tag at C-terminus and purified by proprietary chromatographic technique. FOR LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals