1. Recombinant Proteins
  2. Cytokines and Growth Factors
  3. Angiopoietins
  4. ANG-2
  5. Angiopoietin-2 Protein, Mouse (HEK293, His)

Angiopoietin-2 Protein, Mouse (HEK293, His)

Cat. No.: HY-P72830
COA Handling Instructions

Angiopoietin 2 protein (ANGPT2) binds to TEK/TIE2, competes with ANGPT1, and modulates its signaling. Even in the absence of ANGPT1, ANGPT2 induces TEK/TIE2 phosphorylation. Angiopoietin-2 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Angiopoietin-2 protein, expressed by HEK293 , with N-His labeled tag. The total length of Angiopoietin-2 Protein, Mouse (HEK293, His) is 222 a.a., with molecular weight of ~33.4 kDa.

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

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Description

Angiopoietin 2 protein (ANGPT2) binds to TEK/TIE2, competes with ANGPT1, and modulates its signaling. Even in the absence of ANGPT1, ANGPT2 induces TEK/TIE2 phosphorylation. Angiopoietin-2 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Angiopoietin-2 protein, expressed by HEK293 , with N-His labeled tag. The total length of Angiopoietin-2 Protein, Mouse (HEK293, His) is 222 a.a., with molecular weight of ~33.4 kDa.

Background

Angiopoietin-2 Protein (ANGPT2) binds to TEK/TIE2 and competes with ANGPT1 for the binding site, thereby modulating ANGPT1 signaling. It has the ability to induce tyrosine phosphorylation of TEK/TIE2 even in the absence of ANGPT1. In the absence of angiogenic inducers like VEGF, ANGPT2 can cause loosening of cell-matrix contacts, potentially leading to endothelial cell apoptosis and subsequent vascular regression. However, when working in conjunction with VEGF, it can promote endothelial cell migration and proliferation, making it a permissive angiogenic signal. ANGPT2 also plays a role in the regulation of lymphangiogenesis. Additionally, it interacts with TEK/TIE2, competing for the same binding site as ANGPT1, and interacts with ITGA5.

Biological Activity

Measured by its binding ability in a functional ELISA. Immobilized Angiopoietin-2 Protein, Mouse (HEK293, His) at 2 μg/mL (100 μl/well) can bind mouse TEK-Fc and the EC50 is 350-900 ng/mL.

Species

Mouse

Source

HEK293

Tag

N-His

Accession

O35608 (K275-F496)

Gene ID
Molecular Construction
N-term
His
Angiopoietin-2 (K275-F496)
Accession # O35608
C-term
Synonyms
Angiopoietin-2; ANG-2; ANGPT2
AA Sequence

KEEQTTFRDCAEIFKSGLTTSGIYTLTFPNSTEEIKAYCDMDVGGGGWTVIQHREDGSVDFQRTWKEYKEGFGSPLGEYWLGNEFVSQLTGQHRYVLKIQLKDWEGNEAHSLYDHFYLAGEESNYRIHLTGLTGTAGKISSISQPGSDFSTKDSDNDKCICKCSQMLSGGWWFDACGPSNLNGQYYPQKQNTNKFNGIKWYYWKGSGYSLKATTMMIRPADF

Molecular Weight

Approximately 33.4 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.

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.

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

Angiopoietin-2 Protein, Mouse (HEK293, His) 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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Angiopoietin-2 Protein, Mouse (HEK293, His)
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