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  5. Mer Proteins Mer Proteins
  6. Mer Protein, Cynomolgus (HEK293, Fc)

Mer Protein, Cynomolgus (HEK293, Fc)

Cat. No.: HY-P78581
SDS COA Handling Instructions

Mer protein is a receptor tyrosine kinase that transduces signals by binding to ligands such as LGALS3, TUB, TULP1, or GAS6, regulating cell survival, migration, differentiation, and apoptotic cell phagocytosis (endocytosis). Ligand binding induces autophosphorylation of MERTK, creating a docking site for downstream molecules. Mer Protein, Cynomolgus (HEK293, Fc) is the recombinant cynomolgus-derived Mer protein, expressed by HEK293 , with C-hFc labeled tag. The total length of Mer Protein, Cynomolgus (HEK293, Fc) is 485 a.a., with molecular weight of approximately 150 kDa.

For research use only. We do not sell to patients.

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  • Biological Activity

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Description

Mer protein is a receptor tyrosine kinase that transduces signals by binding to ligands such as LGALS3, TUB, TULP1, or GAS6, regulating cell survival, migration, differentiation, and apoptotic cell phagocytosis (endocytosis). Ligand binding induces autophosphorylation of MERTK, creating a docking site for downstream molecules. Mer Protein, Cynomolgus (HEK293, Fc) is the recombinant cynomolgus-derived Mer protein, expressed by HEK293 , with C-hFc labeled tag. The total length of Mer Protein, Cynomolgus (HEK293, Fc) is 485 a.a., with molecular weight of approximately 150 kDa.

Background

The Mer protein, a receptor tyrosine kinase, transduces signals from the extracellular matrix by binding to various ligands, including LGALS3, TUB, TULP1, or GAS6. It is involved in regulating diverse physiological processes, including cell survival, migration, differentiation, and the phagocytosis of apoptotic cells (efferocytosis). Ligand binding at the cell surface induces autophosphorylation of MERTK on its intracellular domain, creating docking sites for downstream signaling molecules. Upon activation by ligand, Mer interacts with GRB2 or PLCG2 and induces the phosphorylation of MAPK1, MAPK2, FAK/PTK2, or RAC1. MERTK signaling is implicated in macrophage clearance of apoptotic cells, platelet aggregation, cytoskeleton reorganization, and engulfment. In the retinal pigment epithelium (RPE), it serves as a regulator of rod outer segment fragments' phagocytosis. Moreover, Mer plays a crucial role in inhibiting Toll-like receptors (TLRs)-mediated innate immune responses by activating STAT1, which selectively induces the production of suppressors of cytokine signaling SOCS1 and SOCS3.

Biological Activity

Measured by its binding ability in a functional ELISA. Immobilized Recombinant Human Gas6 Protein, His tag at 5 μg/mL (100 μL/well) can bind Biotinylated Cynomolgus MERTK. The ED50 for this effect is 55.09 ng/mL.

  • Measured by its binding ability in a functional ELISA. Immobilized Recombinant Human Gas6 Protein, His tag at 5μg/mL (100μL/well) can bind Biotinylated Cynomolgus MERTK.The ED50 for this effect is 55.09 ng/mL.
Species

Cynomolgus

Source

HEK293

Tag

C-hFc

Accession

XP_005575320.1 (A23-I507)

Gene ID

/

Molecular Construction
N-term
Mer (A23-I507)
Accession # XP_005575320.1
hFc
C-term
Synonyms
MERTK; Mer
AA Sequence

AITEAREEAKPYPLFPGPLPGSLQTDHTSLLSLPHTSGYQPALMFSPTQPGRPYTGNVAIPRVTSAGSKLLPPLAFKHTVGHIILSEHKDVKFNCSISVPNIYQDTTISWWKDGKELLGAHHAITQFYPDDEVTAIIASFSITSVQRSDNGSYICKMKINNEEIVSDPIYIEVQGLPHFTKQPESMNVTRNTAFNLTCQAVGPPEPVNIFWVQNSSRVNEQPEKSPSVLTVPGLTEMAVFSCEAHNDKGLTVSKGVQINIKAIPSPPTEVSIHNSTAHSILISWVPGFDGYSPFRNCSVQVKEVDPLSNGSVMIFNTSASPHMYQIKQLQALANYSIGVSCMNEIGWSAVSPWILASTTEGAPSVAPLNVTVFLNESRDNVDIRWMKPLTKRQAGELVGYRISHVWQSAGISKELLEEVGQNNSRAQISVQVHNATCTVRIAAVTKGGVGPFSDPVKIFIPAHGWVDHAPSSTPAPGNADPVLII

Molecular Weight

approximately 150 kDa

Purity
  • Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder.

Formulation

Lyophilized a 0.22 μm filtered solution of PBS, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation

Mer Protein, Cynomolgus (HEK293, Fc) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Mer Protein, Cynomolgus (HEK293, Fc)
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HY-P78581
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