Recombinant fragment within Human IST1 aa 125-317 (internal sequence). The exact sequence is proprietary. Sequence: CAKYSK EYGKLCRTNQ IGTVNDRLMH KLSVEAPPKI LVERYLIEIA KNYNVPYEPD SVVMAEAPPG VETDLIDVGF TDDVKKGGPG RGGSGGFTAP VGGPDGTVPM PMPMPMPSAN TPFSYPLPKG