Recombinant Canine ACE-2 His-tag Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 10566-ZN

HEK293 Expressed
R&D Systems, part of Bio-Techne
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Key Product Details

Source

HEK293

Accession #

NP_001158732.1

Conjugate

Unconjugated

Applications

Enzyme Activity

View all ACE-2 Proteins and Enzymes »

Product Specifications

Source

Human embryonic kidney cell, HEK293-derived canine ACE-2 protein
Gln18-Thr739
with a C-terminal 6-His tag

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Protein identity confirmed by mass spectrometry

Predicted Molecular Mass

85 kDa

SDS-PAGE

100-110 kDa, under reducing conditions

Activity

Measured by its ability to cleave a fluorogenic peptide substrate, Mca-YVADAPK(Dnp)-OH (Catalog # ES007).
The specific activity is >85 pmol/min/μg, as measured under the described conditions.

Scientific Data Images for Recombinant Canine ACE-2 His-tag Protein, CF

Recombinant Canine ACE-2 His-tag Protein Enzyme Activity

Recombinant Canine ACE-2 His-tag Protein Enzyme Activity

Recombinant Canine ACE-2 His-tag (Catalog # 10566-ZN) is measured by its ability to cleave a fluorogenic peptide substrate, Mca-YVADAPK(Dnp)-OH (ES007).
Recombinant Canine ACE-2 His-tag Protein SDS-PAGE

Recombinant Canine ACE-2 His-tag Protein SDS-PAGE

2 μg/lane of Recombinant Canine ACE-2 His-tag (10566-ZN) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at ~105 kDa under reducing conditions.

Formulation, Preparation and Storage

10566-ZN
Formulation Supplied as a 0.2 μm filtered solution in Tris, NaCl, ZnCl2 and Glycerol.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Background: ACE-2

Angiotensin I Converting Enzyme (ACE-2), also called ACEH (ACE homologue), is a dimeric, zinc-dependent metalloprotease of the ACE family that also includes somatic and germinal ACE (1, 2). ACE-2 mRNA is found at high levels in heart, testis, and kidney and at lower levels in a wide variety of tissues (1, 3). ACE-2 is the SARS-CoV and SARS-CoV2 Spike protein receptor in vivo (4-6), functions catalytically as a carboxypeptidase to cleave several substrates including angiotensins I and II, and acts as a partner for B0AT1-family amino acid transporters (1, 2). Through these functions, ACE-2 has been shown to be involved in several diseases including SARS, COVID19, acute lung injury (4, 7), heart disease (8), liver and lung fibrosis (9), inflammatory lung disease (10), and cardiopulmonary disease (11). Full length ACE-2 protein includes an extracellular region composed of a single N-terminal peptidase domain and C-terminal collectrin-like domain (CLD), a transmembrane domain, and a short cytoplasmic tail (12). The N-terminal peptidase region is required for binding to SARS-CoV and SARSCoV2 spike proteins, while the CLD contains a region that promotes dimerization and association with amino acid transporters (2). The peptidase domain contains a long deep cleft that undergoes a large hinge-bending movement at substrate and inhibitor binding (12).  Classical ACE inhibitors such as captopril and lisinopril do not inhibit ACE-2 activity and inhibitors of ACE-2 do not inhibit ACE activity (13).

References

  1. Kuba, K. et al. (2010) Pharmacol. Ther. 128:119.
  2. Yan, et al. (2020) Science 367:1444.
  3. Tipnis, S.R. et al. (2000) J. Biol. Chem. 275:33238.
  4. Kuba, K. et al. (2005) Nature Med. 11:875.
  5. Hoffman, M. el al. (2020) Cell.181:1.
  6. Wrapp, et al. (2020) Science 367:1260.
  7. Imai, Y. et al. (2005) Nature 436:112.
  8. Huang, L. et al. (2003) J. Biol. Chem. 278:15532.
  9. Schrom, E. et al. (2017) Mol. Therapy Nuc. Acid 7:350.
  10. Jia, H. et al. (2016) Shock. 46:239.
  11. Cole-Jeffrey, C.T. et al. (2015) J. Cardiovasc. Pharmacol. 66:540.
  12. Towler, P. et al. (2004) J. Biol. Chem. 279:17996.
  13. Crackower, M.A. et al. (2002) Nature 417:822.

Long Name

Angiotensin I Converting Enzyme 2

Alternate Names

ACE2, ACEH

Entrez Gene IDs

59272 (Human); 70008 (Mouse); 302668 (Rat); 100144303 (Porcine); 480847 (Canine); 418623 (Chicken); 102130864 (Cynomolgus Monkey); 554349 (Feline); 101673097 (Ferret); 101823817 (Hamster); 108390919 (Malayan Pangolin)

Gene Symbol

ACE2

UniProt

NP_001158732.1

Additional ACE-2 Products

Product Documents for Recombinant Canine ACE-2 His-tag Protein, CF

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Product Specific Notices for Recombinant Canine ACE-2 His-tag Protein, CF

For research use only

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