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CD31/PECAM-1 Protein, Human (HEK293, His)

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CD31/PECAM-1 Protein is a cell-cell adhesion protein that is found on the surface of platelets, monocytes, neutrophils, and some types of T-cells, and makes up a large portion of endothelial cell intercellular junctions. CD31/PECAM-1 Protein, Human (HEK293, His) is the recombinant human-derived CD31/PECAM-1 protein, expressed by HEK293 , with C-6*His labeled tag.

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  • Species: Human
  • Source: HEK293
  • Storage:
    Stored at -20°C for 2 years from date of receipt. 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.
  • CD31/PECAM-1 Protein, Human (HEK293, His) Product Image
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To place orders, for customer services and technical support, please contact:

609-228-6898
[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs
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Biological Activity

Description

CD31/PECAM-1 Protein is a cell-cell adhesion protein that is found on the surface of platelets, monocytes, neutrophils, and some types of T-cells, and makes up a large portion of endothelial cell intercellular junctions[1][2]. CD31/PECAM-1 Protein, Human (HEK293, His) is the recombinant human-derived CD31/PECAM-1 protein, expressed by HEK293 , with C-6*His labeled tag.

Background

CD31/PECAM-1 Protein is expressed in large amounts on endothelial cells at intercellular junctions and on T cell subsets, and to a lesser extent on platelets and most other leukocytes such as monocytes and neutrophils[1][2]. CD31/PECAM-1 Protein binds to itself homotypically, and also to the leukocyte integrin alpha v beta 3 heterotypically[3]. CD31/PECAM-1 Protein is required for the transendothelial migration of leukocytes through intercellular junctions of vascular endothelial cells[4].

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession

    P16284-1 (Q28-K601)

  • Gene ID
    5175  [NCBI]
  • Molecular Construction
    • N-term
    • CD31 (Q28-K601)
      Accession # P16284-1
    • 6*His
    • C-term
  • Protein Length

    Extracellular Domain

  • Synonyms

    PECAM1; PECAM-1; Platelet And Endothelial Cell Adhesion Molecule 1; GPIIA'; Platelet Endothelial Cell Adhesion Molecule; PECA1; CD31 Antigen; Platelet/Endothelial Cell Adhesion Molecule 1; CD31; Platelet Endothelial Cell Adhesion Molecule-1; EndoCAM; CD31

  • AA Sequence

    QENSFTINSVDMKSLPDWTVQNGKNLTLQCFADVSTTSHVKPQHQMLFYKDDVLFYNISSMKSTESYFIPEVRIYDSGTYKCTVIVNNKEKTTAEYQVLVEGVPSPRVTLDKKEAIQGGIVRVNCSVPEEKAPIHFTIEKLELNEKMVKLKREKNSRDQNFVILEFPVEEQDRVLSFRCQARIISGIHMQTSESTKSELVTVTESFSTPKFHISPTGMIMEGAQLHIKCTIQVTHLAQEFPEIIIQKDKAIVAHNRHGNKAVYSVMAMVEHSGNYTCKVESSRISKVSSIVVNITELFSKPELESSFTHLDQGERLNLSCSIPGAPPANFTIQKEDTIVSQTQDFTKIASKSDSGTYICTAGIDKVVKKSNTVQIVVCEMLSQPRISYDAQFEVIKGQTIEVRCESISGTLPISYQLLKTSKVLENSTKNSNDPAVFKDNPTEDVEYQCVADNCHSHAKMLSEVLRVKVIAPVDEVQISILSSKVVESGEDIVLQCAVNEGSGPITYKFYREKEGKPFYQMTSNATQAFWTKQKASKEQEGEYYCTAFNRANHASSVPRSKILTVRVILAPWKK

  • Predicted Molecular Mass

    65.3 kDa

  • Molecular Weight

    Approximately 75-110 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, 1 mM EDTA, 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 from date of receipt. 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.

Calculators

Reconstitution Calculator

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

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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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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
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