CD45 Protein, Mouse (sf9)

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CD45 Protein, a versatile member of the protein tyrosine phosphatase family, displays heparan sulfate proteoglycan and heparin binding activity, as well as protein tyrosine phosphatase activity. It plays a crucial role in lymphocyte differentiation, macromolecule metabolic processes, and signal transduction regulation. CD45 is associated with diseases such as systemic lupus erythematosus, hepatitis C, multiple sclerosis, and severe combined immunodeficiency. CD45 Protein, Mouse (sf9) is the recombinant mouse-derived CD45 protein, expressed by Sf9 insect cells , with tag free.

For research use only. We do not sell to patients.
  • Species: Mouse
  • Source: Sf9 insect cells
  • Storage:
    Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

CD45 Protein, a versatile member of the protein tyrosine phosphatase family, displays heparan sulfate proteoglycan and heparin binding activity, as well as protein tyrosine phosphatase activity. It plays a crucial role in lymphocyte differentiation, macromolecule metabolic processes, and signal transduction regulation. CD45 is associated with diseases such as systemic lupus erythematosus, hepatitis C, multiple sclerosis, and severe combined immunodeficiency. CD45 Protein, Mouse (sf9) is the recombinant mouse-derived CD45 protein, expressed by Sf9 insect cells , with tag free.

Background

Receptor-type tyrosine-protein phosphatase C (CD45), a member of the protein tyrosine phosphatase family, exhibits versatile functions, including heparan sulfate proteoglycan binding activity, heparin binding activity, and protein tyrosine phosphatase activity. It is intricately involved in key processes such as lymphocyte differentiation, positive regulation of macromolecule metabolic processes, and regulation of signal transduction. CD45 acts upstream in lymphocyte-related pathways, including differentiation and activation, while being prominently located in the external side of the plasma membrane, focal adhesion, and membrane raft. Widely expressed in various structures such as the 3rd branchial arch, alimentary system, cardiovascular system, hemolymphoid system, and placenta, CD45's significance is underscored by its association with conditions like systemic lupus erythematosus. The human ortholog of this gene, PTPRC (protein tyrosine phosphatase receptor type C), is implicated in hepatitis C, multiple sclerosis, and severe combined immunodeficiency, highlighting its pivotal role in immune-related disorders[1][2][3].

Verified Bioactivity

1.The specific activity was determined to be 9168 nmol/min/mg using p-nitrophenyl phosphate as substrate.
2.Immobilized mouse PTPRC at 10 μg/ml (100 μl/well) can bind biotinylated human Galectin-1 with a linear range of 0.31-2.5 μg/ml.

Technical Parameters

  • Species Mouse
  • Source Sf9 insect cells
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • CD45 (R594-S1293)
      Accession # P06800-4
    • C-term
  • Protein Length

    Partial

  • Synonyms

    PTPRC; Leukocyte Common Antigen; Prev. CD45; CD45 Antigen; T200; L-CA; Receptor-Type Tyrosine-Protein Phosphatase C; Protein Tyrosine Phosphatase, Receptor Type, C Polypeptide; GP180; Protein Tyrosine Phosphatase, Receptor Type, C; CD45R; Protein-Tyrosine

  • AA Sequence

    RKKRSSNLDEQQELVERDDEKQLMDVEPIHSDILLETYKRKIADEGRLFLAEFQSIPRVFSKFPIKDARKPHNQNKNRYVDILPYDYNRVELSEINGDAGSTYINASYIDGFKEPRKYIAAQGPRDETVDDFWRMIWEQKATVIVMVTRCEEGNRNKCAEYWPSMEEGTRAFKDIVVTINDHKRCPDYIIQKLNVAHKKEKATGREVTHIQFTSWPDHGVPEDPHLLLKLRRRVNAFSNFFSGPIVVHCSAGVGRTGTYIGIDAMLEGLEAEGKVDVYGYVVKLRRQRCLMVQVEAQYILIHQALVEYNQFGETEVNLSELHSCLHNMKKRDPPSDPSPLEAEYQRLPSYRSWRTQHIGNQEENKKKNRNSNVVPYDFNRVPLKHELEMSKESEPESDESSDDDSDSEETSKYINASFVMSYWKPEMMIAAQGPLKETIGDFWQMIFQRKVKVIVMLTELVNGDQEVCAQYWGEGKQTYGDMEVEMKDTNRASAYTLRTFELRHSKRKEPRTVYQYQCTTWKGEELPAEPKDLVSMIQDLKQKLPKASPEGMKYHKHASILVHCRDGSQQTGLFCALFNLLESAETEDVVDVFQVVKSLRKARPGVVCSYEQYQFLYDIIASIYPAQNGQVKKTNSQDKIEFHNEVDGGKQDANCVRPDGPLNKAQEDSRGVGTPEPTNSAEEPEHAANGSASPAPTQSS

  • Predicted Molecular Mass

    81 kDa

  • Molecular Weight

    Approximately 93 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

    ≥ 85%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Solution

Formulation

Supplied as a 0.22 μm filtered solution of 20 mM Tris, 500 mM NaCl, 10% glycerol, 3 mM DTT, pH 7.5.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Calculators

Reconstitution Calculator

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

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Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

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

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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