Recombinant Human SPRY Domain-Containing SOCS Cox Protein 1

Source : Escherichia Coli. SPSB1 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 231 amino acids (24-223 a.a.) and having a molecular mass of 26.1kDa.SPSB1 is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. SPRY domain-containing SOCS box protein 1 (SPSB1) belongs to the SOCS box protein subfamily. SPSB1 includes a central SPRY domain and a C-terminal SOCS box. Even though, some of the SOCS protein subfamilies function as adaptors for a large family of ubiquitin-protein isopeptide ligases to regulate certain signaling pathways, the function of the SSB subfamily remains to be determined. SPSB1 may have an imperative role in enhancing the HGF-induced Erk-Elk-1-SRE pathway. SPSB1 overexpression exhibited no effect on the basal level or epidermal growth factor-induced SRE-luciferase activity.