产品名称Recombinant Human Trefoil Factor 2

来源种属Escherichia coli.

纯化> 97 % by SDS-PAGE and HPLC analyses.

生物活性Fully biologically active when compared to standard. The ED50 as determined by a chemotaxis bioassay using human MCF-7 cells is less than 10 ng/ml, corresponding to a specific activity of > 1.0 x10⁵ IU/mg.

内毒素Less than 1 EU/ug of rHuTFF2 as determined by LAL method.

别名Spasmolysin, Spasmolytic polypeptide, SP

UniprotQ03403

Gene ID7032

计算分子量Approximately 12.0 kDa, a single non-glycosylated polypeptide chain containing 106 amino acids, which includes a 40-amino acid trefoil motif containing three conserved intramolecular disulfide bonds.

序列EKPSPCQCSR LSPHNRTNCG FPGITSDQCF DNGCCFDSSV TGVPWCFHPL PKQESDQCVM EVSDRRNCGY PGISPEECAS RKCCFSNFIF EVPWCFFPKS VEDCHY

配方Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 130 mM NaCl.

保存Use a manual defrost freezer and avoid repeated freeze-thaw cycles. - A minimum of 12 months from date of receipt, when stored at ≤-20 ˚C as supplied. - 1 month, 2 to 8 ˚C under sterile conditions after reconstitution. - 3 months, -20 to -70 ˚C under sterile conditions after reconstitution.