Recombinant Human Angiopoietin-like 7 Protein


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Reactivity HuSpecies Glossary
Applications Bioactivity

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Recombinant Human Angiopoietin-like 7 Protein Summary

Details of Functionality
Measured by its ability to promote the expansion of E16 rat liver mononuclear cells in vitro, in the presence of Recombinant Mouse SCF/c‑kit Ligand (Catalog # 455-MC), Recombinant Mouse Thrombopoietin/Tpo (Catalog # 488-TO), and Recombinant Mouse Flt‑3 Ligand (Catalog # 427-FL). The ED50 for this effect is 50-200 ng/mL in the presence of a cross‑linking antibody, Mouse Anti-polyHistidine Monoclonal Antibody (Catalog # MAB050).
Chinese Hamster Ovary cell line, CHO-derived human Angiopoietin-like Protein 7/ANGPTL7 protein
Met1-Pro346, with a C-terminal 10-His tag
Accession #
N-terminal Sequence
No results obtained: Gln27 predicted
Protein/Peptide Type
Recombinant Proteins
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.


Theoretical MW
38.6 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
49-55 kDa, reducing conditions
Read Publications using
914-AN in the following applications:

Packaging, Storage & Formulations

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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS and NaCl with BSA as a carrier protein.
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 100 μg/mL in PBS.


This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human Angiopoietin-like 7 Protein

  • angiopoietin-like 7
  • Angiopoietin-like factor
  • Angiopoietin-like Protein 7
  • angiopoietin-related protein 7
  • AngX
  • CDT6
  • CDT6angiopoietin-like factor (CDT6)
  • Cornea-derived transcript 6 protein
  • dJ647M16.1
  • RP4-647M16.2


Angiopoietin-like 7 (ANGPTL7), also known as Corneal-Derived Transcript 6 (CDT6), is a secreted glycoprotein that is structurally related to the angiopoietins. Members of this protein family contain an N-terminal coiled coil domain and a C-terminal fibrinogen-like domain (1 - 3). ANGPTL7 shares 89% aa sequence identity with mouse and rat ANGPTL7. It is secreted as a 45 ‑ 50 kDa monomer that forms disulfide-linked homotrimers and tetramers via the coiled coil domain (4, 5). ANGPTL7 is expressed in the corneal stroma, trabecular meshwork, and sclera and is elevated in glaucoma aqueous humor (3, 5). Its production is up‑regulated in trabecular meshwork cells by glucocorticoids and TGF-beta and in cartilage by TNF-alpha (5 - 7). Overexpression of ANGPTL7 in trabecular meshwork cells inhibits the production of collagen and proteoglycans (8). When overexpressed in tumor cells it promotes collagen and proteoglycan deposition but inhibits tumor xenograft progression and tumor angiogenesis (4). Recently, ANGPTL proteins, including ANGPTL-2, -3, -4, -5 and -7, are identified as growth factors in combination with SCF, Thrombopoietin, IGF-II and FGF acidic that enhance the expansion and engraftment of human and mouse hematopoietic stem cells (9).
  1. Oike, Y. et al. (2009) Circ. J. 73:2192.
  2. Miida, T. and S. Hirayama (2010) Curr. Opin. Lipidol. 21:70.
  3. Peek, R. et al. (1998) Invest. Opthalmol. Visual Sci. 39:1782.
  4. Peek, R. et al. (2002) J. Biol. Chem. 277:686.
  5. Kuchtey, J. et al. (2008) Invest. Opthalmol. Visual Sci. 49:3438.
  6. Nehme, A. et al. (2009) BMC Med. Genomics 2:58.
  7. Stevens, A.L. et al. (2008) Arthritis Rheum. 58:489.
  8. Comes, N. et al. (2010) Genes Cells 16:243.
  9. Zhang, C.C. et al. (2006) Nat. Med. 12:240.

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Gene Symbol ANGPTL7