(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
Based on the SEQUEST from database of Mammalian Cell host and target protein, the LC-MS/MS Analysis result of CSB-MP004938HU(F1) could indicate that this peptide derived from Mammalian Cell-expressed Homo sapiens (Human) CD44.
Based on the SEQUEST from database of Mammalian Cell host and target protein, the LC-MS/MS Analysis result of CSB-MP004938HU(F1) could indicate that this peptide derived from Mammalian Cell-expressed Homo sapiens (Human) CD44.
Measured by its binding ability in a functional ELISA. Immobilized CD44 at 2 μg/ml can bind Anti-CD44 mouse monoclonal antibody(CSB-MA004938A0m, antigen from E.coli), the EC50 of the CD44 protein is 11.89-14.94 ng/ml.
CD44 serves as a critical mediator of cell adhesion, migration, and hyaluronan signaling, making it a high-value target in tumor metastasis and immune cell trafficking research. This recombinant human CD44 construct covers residues 21–220, encompassing the hyaluronan-binding domain, and carries a C-terminal hFc1 tag that facilitates use in cell adhesion assays, migration and invasion studies, and antibody development workflows. Functional ELISA confirms robust binding activity, with an EC50 of 11.89–14.94 ng/ml against an anti-CD44 monoclonal antibody when immobilized at 2 μg/ml, demonstrating that mammalian expression preserves the native folding required for proper ligand recognition. Purity exceeding 90% by SDS-PAGE combined with endotoxin levels below 1.0 EU/μg satisfies the criteria typical for cell-based assays investigating integrin-ligand interactions or selectin-mediated adhesion events in cancer biology.
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