Human Tumstatin Antibody

Catalog # Availability Size / Price Qty
Detection of Human Tumstatin by Western Blot.
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Product Details
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Human Tumstatin Antibody Summary

Species Reactivity
Detects human Tumstatin in direct ELISAs. In direct ELISAs, less than 25% cross-reactivity with recombinant human Collagen IV alpha 1 is observed.
Monoclonal Mouse IgG1 Clone # 762102
Protein A or G purified from hybridoma culture supernatant
E. coli-derived recombinant human Tumstatin
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.


Recommended Concentration
Western Blot
2 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human Tumstatin antibody by Western Blot. View Larger

Detection of Human Tumstatin by Western Blot. Western blot shows lysates of human skeletal muscle tissue. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Tumstatin Monoclonal Antibody (Catalog # MAB7546) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Tumstatin at approximately 26 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Sterile PBS to a final concentration of 0.5 mg/mL.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Tumstatin

Tumstatin is a naturally occurring, anti-angiogenic, anti-tumor peptide of 28 kDa that constitutes the NC1 (non-collagenous) domain of the Collagen IV a3 chain [amino acids (aa) 1427-1670 of Coll IV a3;]. It is liberated from basement membranes by MMP-9, and interacts with Integrin aVb3 on endothelial cells, causing cell cycle arrest, or apoptosis of cells that are proliferating. Human Tumstatin is also active on mouse and bovine endothelial cells. Human Tumstatin shares 91% and 89% aa sequence identity with mouse and rat Tumstatin, respectively.

Entrez Gene IDs
1285 (Human); 12828 (Mouse)
Alternate Names
COL4A3; collagen alpha-3(IV) chain; collagen IV, alpha-3 polypeptide; collagen, type IV, alpha 3 (Goodpasture antigen); Goodpasture antigen; Tumstatin

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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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