| Code | CSB-AP003011HU |
| Abbreviation | Recombinant Human NOG protein (Active) |
| MSDS | |
| Size | $142 |
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Noggin is a critical BMP antagonist that regulates embryonic patterning, neural induction, and joint formation by directly sequestering BMP ligands away from their receptors. This tag-free recombinant human Noggin, covering the full-length mature sequence (M+28–232aa), demonstrates potent biological activity with an ED50 below 3.0 ng/ml in a BMP-4-induced alkaline phosphatase inhibition assay using ATDC5 cells, corresponding to a specific activity exceeding 3.3 × 10⁵ IU/mg — a level that supports use in stem cell differentiation protocols, including neural and osteogenic lineage commitment studies, as well as BMP receptor-ligand competition assays by ELISA or SPR. The E. coli expression system produces a non-glycosylated form that provides a defined, homogeneous baseline suitable for quantitative binding experiments where glycan heterogeneity could confound results. Purity exceeding 95% by SDS-PAGE combined with endotoxin levels below 1.0 EU/μg satisfies the criteria typical for cell-based proliferation and survival assays as well as in vivo regenerative medicine models.
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