产品名称Recombinant Human Insulin-like Growth Factor-Binding Protein 4, Insect Cells Derived

来源种属Insect Cell

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 its ability to inhibit IGF-II induced proliferation of MCF-7 cells is less than 0.1 μg/ml, corresponding to a specific activity of > 1.0 x10⁴ IU/mg in the presence of 14 ng/ml of rHuIGF-II.

内毒素Less than 0.1 EU/ug of rHuIGF-BP4, Insect Cell as determined by LAL method.

计算分子量The apparent molecular weight is about 30 kDa in SDS-PAGE under reducing conditions, containing 237 amino acids.

序列DEAIHCPPCS EEKLARCRPP VGCEELVREP GCGCCATCAL GLGMPCGVYT PRCGSGLRCY PPRGVEKPLH TLMHGQGVCM ELAEIEAIQE SLQPSDKDEG DHPNNSFSPC SAHDRRCLQK HFAKIRDRST SGGKMKVNGA PREDARPVPQ GSCQSELHRA LERLAASQSR THEDLYIIPI PNCDRNGNFH PKQCHPALDG QRGKCWCVDR KTGVKLPGGL EPKGELDCHQ LADSFRE

配方Lyophilized from a 0.2 μm filtered concentrated solution in 20mM Tris-HCl, pH 8.0, 150mM NaCl.

保存Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 ˚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.