LIF Protein (AA 23-202)
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北京 101111
Quick Overview for LIF Protein (AA 23-202) (ABIN7275151)
抗原
See all LIF 蛋白蛋白类型
宿主
资源
纯度
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产品特性
- AA 23-202
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原理
- Human LIF Protein
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序列
- Ser23-Phe202
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产品特性
- Recombinant Human LIF Protein is expressed from HEK293 without tag.It contains Ser23-Phe202.
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过滤
- 0.22 μm filtered
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内毒素水平
- Less than 0.1 EU per μg by the LAL method.
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Biological Activity Comment
- Immobilized Human LIF at 1μg/ml (100μl/Well) on the plate. Dose response curve for Human LIF R, hFc Tag with the EC50 of 0.39μg/ml determined by ELISA. See testing image for detail.
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限制
- 仅限研究用
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状态
- Lyophilized
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溶解方式
- Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/mL is recommended. Dissolve the lyophilized protein in distilled water.
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缓冲液
- Lyophilized from 0.22μm filtered solution in PBS ( pH 7.4). Normally 8 % trehalose is added as protectant before lyophilization.
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储存条件
- -20 °C,-80 °C
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储存方法
- -20 to -80°C for 12 months as supplied from date of receipt., -80°C for 3-6 months after reconstitution., 2-8°C for 2-7 days after reconstitution., Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
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有效期
- 12 months
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- LIF (Leukemia Inhibitory Factor (LIF))
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别名
- LIF
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背景
- Leukemia inhibitory factor (LIF) has played a vital role in a series of reproductive events, including follicle growth, embryo growth and differentiation. However, it is unclear whether the level of LIF in embryo culture medium can be used as a marker for clinical pregnancy.
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分子量
- 19.7 kDa. Due to glycosylation, the protein migrates to 40-55 kDa based on Tris-Bis PAGE result.
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UniProt
- P15018-1
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途径
- JAK/STAT Signaling, Positive Regulation of Peptide Hormone Secretion, Negative Regulation of Hormone Secretion, Stem Cell Maintenance, Growth Factor Binding
抗原
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