hACE2 Protein (ECD, processed), Tag-free, liquid formulation


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SKU: P2020-016 trenzyme

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The human Angiotensin-Converting Enzyme 2 (hACE2) is a protein highly expressed at the surface of cells of the human lungs, arteries, kidney, heart and intestine and is shown to be the entry receptor for SARS-CoV-2 infection. The hACE2 protein is one of the most important components for Coronavirus research to develop effective therapies for COVID-19. Our recombinant human ACE2 protein (ECD, processed) and tag-free has high quality and is excellent for SARS-CoV2 R&D.


  • Product Name: hACE2 Protein (ECD, processed), Tag-free, liquid formulation
  • Catalog No.: P2020-016
  • RefSeq Links: UniProt: Q9BYF1
  • Synonyms: hACE2; ACEH; human angiotensin-converting enzyme 2; ACE-related carboxypeptidase; Angiotensin-converting enzyme homolog; Metalloprotease MPROT15
Cellebrity Kolben Cell Cartoon trenzyme

Sequence Information

  • Species: Homo sapiens, human
  • Tags: Tag-free
  • Sequence without tags (AA 20-708):

Product Information

  • Expression Host: human, HEK293
  • Formulation: 50 mM Tris, 250 mM NaCl, pH 8,0
  • Format: Liquid, stored and shipped at -80°C
  • Purity: > 80% as determined by SDS-PAGE

Background Information

The human Angiotensin-Converting Enzyme 2 (hACE2) is a type I transmembrane metallocarboxypeptidase with homology to ACE, an regulator in the Renin-Angiotensin system (RAS) and long-known as a target for the treatment of hypertension.

hACE2 is expressed at the surface of cells of the human lungs, arteries, kidneys, heart and intestine – all tissues shown to harbor SARS-CoV. The function of ACE2 is known as controlling blood pressure. This is accomplished by the hydrolysis of a small peptide hormone called Angiotensin II into the nonapeptide Angiotensin 1-9, which is thereafter converted into the heptapeptide angiotensin 1-7 by ACE and other endopeptidases. Angiotensin 1-7 acts in a vasoconstricting manner and is believed to be one of the main effectors in controlling the blood pressure and is therefore involved in pathophysiological processes like diabetes, hypertension and cardiac function in general. Recently it became known, that the new Coronavirus SARS-CoV-2 uses ACE2 as the entry point into alveolar cells of the lungs, where it replicates and causes the Coronavirus disease (COVID-19).​

SARS-CoV-2 Spike S1 (RBD) recognizes hACE2 (ECD) with an affinity constant of 1 nM as verified by biolayer interferometry

Size exclusion chromotography (SEC)


Biolayer interferometry binding analysis graph
hACE2 SEC Size exclusion chromotography

Biolayer interferometry binding analysis (green lines) of hACE2 (ECD, processed), Tag-free to immobilized SARS-CoV-2 Spike S1 (RBD), His-Tag on Ni-NTA Dip and Read™ Biosensors. Grey lines correspond to a global fit of the data using a 1:1 binding model.
Device: Octet RED96e, ForteBio.

Analytical size exclusion chromotography (SEC) of the purified protein indicates an at least dimeric running behavior (blue arrow).


Fluorescence chromatogram

Binding assay

Analysis of released N-glycans by HILIC (example data)
hACE2 P2020-016 ELISA RBD tag-free binds ACE2

Analysis of released N-glycans by HILIC (example data). More and lot specific analytical data available on request (provided by our partner Biofidus AG).

RBD (tag-free) binds ACE2 (detected by monoclonal antibody CR3022).

SDS-PAGE/Coll. Coomassie

Histogram of marked lane in gel picture

hACE2 Protein (ECD, processed), Tag-free, liquid formulation SDS-Page
hACE2 Protein (ECD, processed), Tag-free, liquid formulation Histogram

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