Human LIF Protein (LIF-HM001)
Catalog: LIF-HM001
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Product Description | Recombinant Human LIF Protein is expressed from HEK293 without tag.It contains Ser23-Phe202. |
Product Background |
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. |
Product Category |
Recombinant Protein |
Target |
LIF |
Synonyms | LIF; HILDA; MLPLI; CDF; DIA |
Gene/Protein ID |
P15018-1 |
Species |
Human |
Exact Sequence |
Ser23-Phe202 |
Molecular Weight | The protein has a predicted MW of 19.7 kDa. Due to glycosylation, the protein migrates to 40-55 kDa based on Tris-Bis PAGE result. |
Activity |
Immobilized Human LIF at 2ug/ml (100ul/Well) on the plate. Dose response curve for Human LIF R, hFc Tag with the EC50 of 55.9ng/ml determined by ELISA. See testing image for detail. |
Product Tag |
No Tag |
Express System |
HEK293 |
Purity | > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC |
Endotoxin | Less than 1EU per ug by the LAL method. |
Form | Lyophilized |
Shipping | Shipped at ambient temperature. |
Formulation | Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution | Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water. |
Stability And Storage | Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
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