Protein Information

General Information
MoonProt ID413
First appeared in release3.0
Name(s)Angiotensin-converting enzyme 2 Gene: ACE2 Alternative name(s): Angiotensin-converting enzyme homolog Short name: ACEH Angiotensin-converting enzyme-related carboxypeptidase Short name: ACE-related carboxypeptidase Metalloprotease MPROT15
UniProt IDQ9BYF1 (ACE2_HUMAN)
GO termsGO:0046718 viral entry into host cell GO:0046813 receptor-mediated virion attachment to host cell GO:0009986 cell surface GO:0005886 plasma membrane GO:0001618 virus receptor activity GO:0005515 protein binding GO:0051957 positive regulation of amino acid transport GO:0005576 extracellular region GO:0004180 carboxypeptidase activity GO:0008233 peptidase activity GO:0016787 hydrolase activity GO:0046872 metal ion binding GO:0006508 proteolysis GO:0016032 viral process GO:0008237 metallopeptidase activity GO:0005737 cytoplasm GO:0016020 membrane GO:0016021 integral component of membrane GO:0008241 peptidyl-dipeptidase activity GO:0004175 endopeptidase activity GO:0070062 extracellular exosome
Organisms for which functions have been demonstratedHomo sapiens (Human)
Sequence length805 amino acids
FASTA sequence>sp|Q9BYF1|ACE2_HUMAN Angiotensin-converting enzyme 2 OS=Homo sapiens OX=9606 GN=ACE2 PE=1 SV=2 MSSSSWLLLSLVAVTAAQSTIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCNPDNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYADQSIKVRISLKSALGDKAYEWNDNEMYLFRSSVAYAMRQYFLKVKNQMILFGEEDVRVANLKPRISFNFFVTAPKNVSDIIPRTEVEKAIRMSRSRINDAFRLNDNSLEFLGIQPTLGPPNQPPVSIWLIVFGVVMGVIVVGIVILIFTGIRDRKKKNKARSGENPYASIDISKGENNPGFQNTDDVQTSF
Structure Information
PDB ID1R42, 1R4L, 1XJP, 2AJF, 3D0G, 3D0H, 3D0I, 3KBH, 3SCI, 3SCJ, 3SCK, 3SCL, 6ACG, 6ACJ, 6ACK, 6CS2, 6LZG, 6M0J, 6M17, 6M18, 6M1D, 6VW1
Quaternary structureHomodimer (PubMed: 32132184)
SCOPClass d: Alpha and beta proteins (a+b). Fold d.92: Zincin-like. Superfamily d.92.1: Metalloproteases ("zincins"), catalytic domain. Family d.92.1.5: Neurolysin-like. Combines M2, M3 and M32 families of metalloproteases. The N-terminal half of the structure is multihelical; the C-terminal half contains the thermolysin-like catalytic domain.
CATH1 Matching CATH Superfamily. Superfamily: 3.30.70.1840 Spike protein, C-terminal core receptor binding subdomain. 2 Matching CATH Domains. Domain: 2ajfE01 PDB code 2ajf, chain E, domain 01 Superfamily: 3.30.70.1840. Domain: 2ajfF01 PDB code 2ajf, chain F, domain 01 Superfamily: 3.30.70.1840.
TM Helix Prediction1 ( 741 - 763) transmembrane protein
DisProt AnnotationDisorder content: 4.6% Term: Disorder, Fragment 769-805 Term: Regulation of phosphorylation, Fragment 779-783
Predicted Disorder Regionspredicted disorder between 45-50 and 760-800
Connections to Disease
OMIM ID300335 ANGIOTENSIN I-CONVERTING ENZYME 2; ACE2
Function 1
Function descriptionCarboxypeptidase enzyme
References for functionTowler P, Staker B, Prasad SG, Menon S, Tang J, Parsons T, Ryan D, Fisher M, Williams D, Dales NA, Patane MA. ACE2 X-ray structures reveal a large hinge-bending motion important for inhibitor binding and catalysis. Journal of Biological Chemistry. 2004 Apr 23;279(17):17996-8007. Gheblawi, M., Wang, K., Viveiros, A., Nguyen, Q., Zhong, J., Turner, A., Raizada, M., Grant, M., & Oudit, G. (2020). Angiotensin-Converting Enzyme 2: SARS-CoV-2 Receptor and Regulator of the Renin-Angiotensin System: Celebrating the 20th Anniversary of the Discovery of ACE2. Circulation Research, 126, 1456-1474. 10.1161/CIRCRESAHA.120.317015
E.C. number3.4.17.23
Location of functional site(s)His374, His378, His401, Glu406 Towler P, Staker B, Prasad SG, Menon S, Tang J, Parsons T, Ryan D, Fisher M, Williams D, Dales NA, Patane MA. ACE2 X-ray structures reveal a large hinge-bending motion important for inhibitor binding and catalysis. Journal of Biological Chemistry. 2004 Apr 23;279(17):17996-8007.
Cellular location of functionTransmembrane protein in the plasma membrane
Comments"ACE2 acts as a simple carboxypeptidase able to hydrolyze Ang I, forming Ang 1–9 and Ang II to Ang 1–7". "Cleaves and inactivates bioactive apelin peptides apelin-13 and apelin-36 through a negative feedback mechanism in the heart and vasculature" (Gheblawi et al. 2020).
Function 2
Function descriptionchaperone for BoAT in amino acid transport
References for functionCamargo SM, Singer D, Makrides V, Huggel K, Pos KM, Wagner CA, Kuba K, Danilczyk U, Skovby F, Kleta R, Penninger JM. Tissue-specific amino acid transporter partners ACE2 and collectrin differentially interact with hartnup mutations. Gastroenterology. 2009 Mar 1;136(3):872-82. Gheblawi, M., Wang, K., Viveiros, A., Nguyen, Q., Zhong, J., Turner, A., Raizada, M., Grant, M., & Oudit, G. (2020). Angiotensin-Converting Enzyme 2: SARS-CoV-2 Receptor and Regulator of the Renin-Angiotensin System: Celebrating the 20th Anniversary of the Discovery of ACE2. Circulation Research, 126, 1456-1474. 10.1161/CIRCRESAHA.120.317015
E.C. number
Location of functional site(s)Collectrin-like Domain of ACE2 Mediating Homo Dimerization
Cellular location of functionplasma membrane
Comments"ACE2 is necessary for the expression of the Hartnup transporter in the intestine, and the differential functional association of mutant B(0)AT1 transporters with ACE2 in the intestine regulates the phenotypic heterogeneity of human Hartnup disorder" (Gheblawi et al. 2020).