Purity ~95% (10% SDS-PAGE, HPLC-C4). Strongly reacts with human HTLV-I positive serum. Source: Recombinant protein corresponding to ENV immunodominant region of HLTV-II Envelope, fused to Beta-galactosidase at N-terminal, expressed in E. coli. Applications: Suitable for use in ELISA, Western Blot, Flow-through. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher.