Purity: > 80% by SDS - PAGE Format: Liquid. 20mM Tris-HCl buffer (pH8.0) containing 10% glycerol 0.1M NaCl, 1mM DTT . uSE1, as known as P31, is a vesicle transport protein. This protein is a component of a SNARE complex consisting of STX18, uSE1L, BNIP1/SEC20L and SEC22B. It interacts directly with STX18. SNARE may be involved in targeting and fusion of Golgi-derived retrograde transport vesicles with the ER. Recombinant human uSE1 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography.