Human Laminin 221 E8, Fc Tag, produced by co-expression of Laminin alpha2E8, Laminin beta2E8 and Laminin gamma1E8, has a calculated MW of 94.3 kDa, 51.3 kDa and 53.7 kDa. The non-reducing (NR) protein migrates as 118-130 kDa due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.
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Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Human Laminin 221 E8, Fc Tag on SDS-PAGE under non-reducing (NR) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
The purity of Human Laminin 221 E8, Fc Tag (Cat. No. LA2-H5269) is more than 85% and the molecular weight of this protein is around 265-295 kDa verified by SEC-MALS.
Immobilized Human ITGA7X2B&ITGB1 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT1-H52W8) at 5 μg/mL (100 μL/well) can bind Human Laminin 221 E8, Fc Tag (Cat. No. LA2-H5269) with a linear range of 0.2-20 ng/mL (QC tested).
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