Active Recombinant Human MUC1 protein, Fc/Avi-tagged, Biotinylated
Cat.No. : | MUC1-051H |
Product Overview : | Biotinylated Recombinant Human MUC1(Ser24-Ser380) protein, fused to Fc/Avi tag at the C-terminus, was expressed in HEK293 cells . |
- Specification
- Gene Information
- Related Products
Description : | MUC-1 (Mucin-1) is a type 1 transmembrane glycoprotein that is normally expressed on the apical surface of most epithelial cells (1-2). It is known to be overexpressed by various human carcinomas and is shed into circulation (2). The extracellular domain is made up of tandem repeats (TRs) of 20 amino acid (aa) each, with each TR containing five potential O-glycosylation sites (3). The number of TRs vary between 25-100, depending on the allele (3). Within the mature region including 16 TRs (residues 24-380), human MUC-1 shares 30% aa sequence identity with mouse and rat MUC-1. It has been reported that high expression level of MUC-1 generally correlates with increased mortality rates (4). In addition, MUC-1 is aberrantly underglycosylated on cancer cells with short and sialylated O-linked glycans in contrast to the long, branched chain seen in normal epithelial cells (4-7). It has been demonstrated that MUC-1 can interact with E-selectin and ICAM-1 to mediate firm adhesion of circulating tumor cells and subsequent extravasation in the metastatic adhesion cascade (4). Furthermore, MUC-1 can modulate the tumor immunological microenvironment through engagement of Siglec-9 by inducing the recruitment of beta-catenin to the cytoplasmic tail of MUC-1, increasing the expression of PD-L1 by macrophages, and activating the MEK-ERK pathway (5,6). MUC-1 can also interact with Galectin-3 to promote EGFR activation thus regulating EGFR-associated tumorigenesis and cancer progression (7). Our Avi-tag Biotinylated human MUC-1 features biotinylation at a single site contained within the Avi-tag, a unique 15 amino acid peptide. Protein orientation will be uniform when bound to streptavidin-coated surface due to the precise control of biotinylation and the rest of the protein is unchanged so there is no interference in the protein's bioactivity. |
Source : | HEK293 cells |
Species : | Human |
Tag : | Fc/Avi |
Form : | Supplied as a 0.2 μm filtered solution in PBS with Trehalose. |
Bio-activity : | Measured by its binding ability in a functional ELISA. When Biotinylated Recombinant Human MUC1 Fc Chimera Avi-tag is immobilized at 1 µg/mL (100 µL/well), Recombinant Human SIGLEC9 Fc Chimera binds with an ED50 of 0.25-2 µg/mL. |
Molecular Mass : | 168-195 kDa, under reducing conditions |
Protein length : | Ser24-Ser380 |
Endotoxin : | <0.10 EU per 1 μg of the protein by the LAL method. |
Purity : | >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Applications : | Bioactivity |
Storage : | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.6 months from date of receipt, -20 to -70 °C as supplied.1 month, 2 to 8 °C under sterile conditions after opening.3 months, -20 to -70 °C under sterile conditions after opening. |
Gene Name : | MUC1 mucin 1, cell surface associated [ Homo sapiens ] |
Official Symbol : | MUC1 |
Synonyms : | MUC1; mucin 1, cell surface associated; mucin 1, transmembrane , PUM; mucin-1; CD227; PEM; episialin; DF3 antigen; H23 antigen; krebs von den Lungen-6; mucin 1, transmembrane; tumor-associated mucin; carcinoma-associated mucin; polymorphic epithelial mucin; peanut-reactive urinary mucin; tumor associated epithelial mucin; breast carcinoma-associated antigen DF3; tumor-associated epithelial membrane antigen; EMA; PUM; KL-6; MAM6; PEMT; H23AG; MUC-1; MUC-1/X; MUC1/ZD; MUC-1/SEC; |
Gene ID : | 4582 |
mRNA Refseq : | NM_001018016 |
Protein Refseq : | NP_001018016 |
MIM : | 158340 |
UniProt ID : | P15941 |
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◆ Lysates | ||
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For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.
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