产品信息
| 别名 | AL033362, Igf-2, M6pr, Mpr, Peg, Peg2 |
| 物种 | Mouse |
| 表达宿主 | E.coli |
| 序列信息 | AYGPGETLCGGELVDTLQFVCSDRGFYFSRPSSRANRRSRGIVEECCFRSCDLALLETYCATPAKSE with polyhistidine tag at the N-terminus. |
| 检索号 | P09535.1 |
| 分子量 | 8.20 kDa |
| 表观分子量 | 11 kDa |
| 标签 | His-tag at the N-terminus |
| 生物活性 | Measure by its ability to induce MCF-7 cells proliferation.The ED50 for this effect is <6 ng/mL.The specific activity of recombinant mouse IGF-II is > 1.5 x 10^5 IU/mg. |
产品特性
| 纯度 | >98% as determined by SDS-PAGE. Ni-NTA chromatography |
| 内毒素 | <0.1 EU per 1 μg of the protein by the LAL method. |
| 保存 | Lyophilized protein should be stored at -5~-20°C for 1 year. Upon reconstitution, store at 2-8°C for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g.0.1%BSA,10%FBS,5%HSA or 5% trehalose solution), protein aliquots should be stored at -5~-20°C or -80°C for 3-6 months. |
| 运输 | Ambient temperature or ice pack. |
| 制剂 | The protein was lyophilized from a 0.2 µm filtered solution containing 1X PBS, pH 8.0. |
| 复融 | It is recommended to reconstitute the lyophilized protein in sterile water to a concentration not less than 100 μg/mL.Do Not Vortex! Vigorous shaking may impair the biological activity of the protein. |
背景介绍
Insulin-like growth factor 2 (IGF-2) is one of three protein hormones that share structural similarity to insulin. The major role of IGF-2 is as a growth promoting hormone during gestation. It is believed to be a major fetal growth factor in contrast to Insulin-like growth factor 1, which is a major growth factor in adults.
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