SKU: 51096108975

Biotinylated MERTK/Mer Fc&Avi Tag Protein, Human

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Description

Biotinylated MERTK/Mer Fc&Avi Tag Protein, HumanProduct Specification Species Human Synonyms MER, STK Kinase, Tyro12, C Eyk, C Mer, RP38 Accession Q12866 Amino Acid Sequence Ala21 Ile505, with C terminal hIgG1 Fc and Avitag Expression System HEK293 Molecular Weight 100 135kDa (Reducing) Purity 95% by SDS PAGE Endotoxin <1EU g Physical Appearance Lyophilized Powder Storage Buffer PBS, pH7. 4. Reconstitution Reconstitute at 0. 1 1 mg ml according to the size in ultrapure water after rapid

Product Specification


Species Human
Synonyms MER, STK Kinase, Tyro12, C-Eyk, C-Mer, RP38
Accession Q12866
Amino Acid Sequence Ala21-Ile505, with C-terminal hIgG1 Fc and Avitag
Expression System HEK293
Molecular Weight 100-135kDa (Reducing)
Purity >95% by SDS-PAGE
Endotoxin <1EU/μg
Physical Appearance Lyophilized Powder
Storage Buffer PBS, pH7.4.
Reconstitution Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
Stability & Storage · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
· 3 months, -20 to -80℃ under sterile conditions after reconstitution.
· 1 week, 2 to 8℃ under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.
Reference

1. Graham, D.K. et al. (1994) Cell Growth Differ. 5:647. 2. Graham, D.K. et al. (2006) Clin. Cancer Res. 12:2662.

Background

Tyrosine-protein Kinase Mer, also known as c-Mer and MerTK, is a member of the receptor tyrosine kinase subfamily TAM (Tyro3, Axl, and Mer). Similar to Axl and Tyro3, the extracelluar domain of Mer contains two Ig-like motifs and two fibronectin type III motifs. Mer is not expressed in normal B- and T-cells but expressed in neoplastic B- and T-cell lines . It is also show higher expression in immunosuppressive M2‑like macrophages. Following activation by ligand, interacts with GRB2 or PLCG2 and induces phosphorylation of MAPK1, MAPK2, FAK/PTK2 or RAC1. MERTK signaling plays a role in various processes such as macrophage clearance of apoptotic cells, platelet aggregation, cytoskeleton reorganization and engulfment. Functions in the retinal pigment epithelium (RPE) as a regulator of rod outer segments fragments phagocytosis. Plays also an important role in inhibition of Toll-like receptors (TLRs)-mediated innate immune response by activating STAT1, which selectively induces production of suppressors of cytokine signaling SOCS1 and SOCS3.Mer is known to bind Gas6, Protein S, Tubby, Tubby-like protein 1 (Tulp1), and Galectin-3. Upon binding ligands via the Ig-like motif, Mer is dimerized to trans-autophosphorylate the kinase domain to induce downstream signaling. It has been shown that Mer signaling in macrophages induces M2 polarization, which promote tumor growth, metastasis and evasion of anti-tumor immunity in tumor microenviroment. Inhibition of Mer, especially on leukocytes and macrophages, is an effective anti-cancer therapy.

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Exchange/Return Notes
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SKU: 51096108975

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DC
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★★★★★ 5
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Size: 7, Color: Grey
Comfortable Get many "nice shoes" compliments
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Reviewed in the United States on May 10, 2026
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Carlos Bravo
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★★★★★ 4
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Size: 8, Color: Grey
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Reviewed in the United States on June 29, 2025
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Setter mom
Port Orchard, US
★★★★★ 5
Great shoe. Great style
Size: 9, Color: Olive
Beautiful shoe. Nice quality. Going to reorder in a Wide. Regular runs too narrow for my feet. Hope the Wide works.
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Reviewed in the United States on December 11, 2025
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Amazon Customer
Fort Morgan, US
★★★★★ 5
Best work shoe
Size: 10.5, Color: Grey
Lots of compliments and comfortable too
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Reviewed in the United States on May 14, 2026
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Alyssa P.
Pawtucket, US
★★★★★ 3
Good for the price but will not repurchase
Size: 9, Color: Grey
My husband loved these at first. Pros -easy to get on/off -stylish -comfortable -interior/exterior sole construction lasted longer than other more expensive shoes -price is great Cons -after less than a year the mouth of the shoe widened to a point where they slide off way too easy rendering them almost unwearable. -laces cannot be tightened
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Reviewed in the United States on February 9, 2026

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