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== Function ==
== Function ==
ACE hydrolyzes peptides by the removal of a dipeptide from the C-terminus. Likewise it converts the inactive decapeptide [[Angiotensin|angiotensin I]] to the octapeptide [[Angiotensin|angiotensin II]] by removing the dipeptide His-Leu.<ref>{{cite journal | vauthors = Coates D | title = The angiotensin converting enzyme (ACE) | journal = The International Journal of Biochemistry & Cell Biology | volume = 35 | issue = 6 | pages = 769–773 | date = June 2003 | pmid = 12676162 | doi = 10.1016/S1357-2725(02)00309-6 | series = Renin–Angiotensin Systems: State of the Art }}</ref>
ACE hydrolyzes peptides by the removal of a dipeptide from the C-terminus. Likewise it converts the inactive decapeptide [[Angiotensin|angiotensin I]] to the octapeptide [[Angiotensin|angiotensin II]] by removing the dipeptide His-Leu.<ref>{{cite journal |vauthors=Coates D |title=The angiotensin converting enzyme (ACE) |journal=The International Journal of Biochemistry & Cell Biology |volume=35 |issue=6 |pages=769–773 |date=June 2003 |pmid=12676162 |doi=10.1016/S1357-2725(02)00309-6 |series=Renin–Angiotensin Systems: State of the Art}}</ref>
[[File:ACE mechanism.png|thumb|center|400px|proposed ACE catalytic mechanism]]


ACE is a central component of the [[renin–angiotensin system]] (RAS), which controls blood pressure by regulating the volume of fluids in the body.
[[File:ACE mechanism.png|thumb|center|406x406px|proposed ACE catalytic mechanism]]
[[Image:Renin-angiotensin-aldosterone system.svg|thumb|center|Schematic diagram of the [[renin–angiotensin–aldosterone system]]|400px]]


[[Angiotensin|Angiotensin II]] is a potent [[vasoconstrictor]] in a substrate concentration-dependent manner.<ref name="pmid10790312">{{cite journal |vauthors=Zhang R, Xu X, Chen T, Li L, Rao P |title=An assay for angiotensin-converting enzyme using capillary zone electrophoresis |journal=Analytical Biochemistry |volume=280 |issue=2 |pages=286–290 |date=May 2000 |pmid=10790312 |doi=10.1006/abio.2000.4535}}</ref> Angiotensin II binds to the [[Angiotensin II receptor type 1|type 1 angiotensin II receptor (AT1)]], which sets off a number of actions that result in vasoconstriction and therefore increased blood pressure.
ACE is a central component of the [[renin–angiotensin system]] (RAS), which controls blood pressure by regulating the volume of fluids in the body.[[Image:Renin-angiotensin-aldosterone system.svg|thumb|center|Schematic diagram of the [[renin–angiotensin–aldosterone system]]|375x375px]]
[[File:Renin-angiotensin system in man shadow.svg|thumb|center|Anatomical diagram of the renin–angiotensin system, showing the role of ACE at the lungs<ref name="Boron_2005">{{cite book |last1=Boulpaep |first1=Emile L. |last2=Boron |first2=Walter F. |name-list-style=vanc |title=Medical Physiology: a Cellular and Molecular Approach |date=2005 |publisher=Elsevier Saunders |location=Philadelphia, PA |isbn=978-1-4160-2328-9 |pages=866–867 |chapter=Integration of Salt and Water Balance}}</ref>]]


ACE is also part of the [[Kinin–kallikrein system|kinin-kallikrein]] system where it degrades [[bradykinin]], a potent [[vasodilator]], and other vasoactive peptides.<ref name="pmid14757781">{{cite journal |vauthors=Imig JD |title=ACE Inhibition and Bradykinin-Mediated Renal Vascular Responses: EDHF Involvement |journal=Hypertension |volume=43 |issue=3 |pages=533–535 |date=March 2004 |pmid=14757781 |doi=10.1161/01.HYP.0000118054.86193.ce |doi-access=free}}</ref>
[[Angiotensin|Angiotensin II]] is a potent [[vasoconstrictor]] in a substrate concentration-dependent manner.<ref name="pmid10790312">{{cite journal | vauthors = Zhang R, Xu X, Chen T, Li L, Rao P | title = An assay for angiotensin-converting enzyme using capillary zone electrophoresis | journal = Analytical Biochemistry | volume = 280 | issue = 2 | pages = 286–290 | date = May 2000 | pmid = 10790312 | doi = 10.1006/abio.2000.4535 }}</ref> Angiotensin II binds to the [[Angiotensin II receptor type 1|type 1 angiotensin II receptor (AT1)]], which sets off a number of actions that result in vasoconstriction and therefore increased blood pressure.[[File:Renin-angiotensin system in man shadow.svg|thumb|center|274x274px| Anatomical diagram of the renin–angiotensin system, showing the role of ACE at the lungs<ref name = "Boron_2005">{{cite book | last1 = Boulpaep | first1 = Emile L. | last2 = Boron | first2 = Walter F. | name-list-style = vanc | title = Medical Physiology: a Cellular and Molecular Approach | date = 2005 | publisher = Elsevier Saunders | location = Philadelphia, Pa. | isbn = 978-1-4160-2328-9 | pages = 866–867 | chapter = Integration of Salt and Water Balance }}</ref>]]

ACE is also part of the [[Kinin–kallikrein system|kinin-kallikrein]] system where it degrades [[bradykinin]], a potent [[vasodilator]], and other vasoactive peptides.<ref name="pmid14757781">{{cite journal | vauthors = Imig JD | title = ACE Inhibition and Bradykinin-Mediated Renal Vascular Responses: EDHF Involvement | journal = Hypertension | volume = 43 | issue = 3 | pages = 533–535 | date = March 2004 | pmid = 14757781 | doi = 10.1161/01.HYP.0000118054.86193.ce | doi-access = free }}</ref>


Kininase II is the same as angiotensin-converting enzyme. Thus, the same enzyme (ACE) that generates a vasoconstrictor (ANG II) also disposes of vasodilators (bradykinin).<ref name = "Boron_2005"/>
Kininase II is the same as angiotensin-converting enzyme. Thus, the same enzyme (ACE) that generates a vasoconstrictor (ANG II) also disposes of vasodilators (bradykinin).<ref name = "Boron_2005"/>


== Mechanism ==
== Mechanism ==
ACE is a zinc [[metalloproteinase]].<ref>{{cite journal | vauthors = Wang W, McKinnie SM, Farhan M, Paul M, McDonald T, McLean B, Llorens-Cortes C, Hazra S, Murray AG, Vederas JC, Oudit GY | display-authors = 6 | title = Angiotensin-Converting Enzyme 2 Metabolizes and Partially Inactivates Pyr-Apelin-13 and Apelin-17: Physiological Effects in the Cardiovascular System | journal = Hypertension | volume = 68 | issue = 2 | pages = 365–377 | date = August 2016 | pmid = 27217402 | doi = 10.1161/HYPERTENSIONAHA.115.06892 | s2cid = 829514 }}</ref> The zinc center catalyses the peptide hydrolysis. Reflecting the critical role of zinc, ACE can be inhibited by metal[[Chelating agent|-chelating agents.]]<ref>{{cite journal | vauthors = Bünning P, Riordan JF | title = The functional role of zinc in angiotensin converting enzyme: implications for the enzyme mechanism | journal = Journal of Inorganic Biochemistry | volume = 24 | issue = 3 | pages = 183–198 | date = July 1985 | pmid = 2995578 | doi = 10.1016/0162-0134(85)85002-9 }}</ref>
ACE is a zinc [[metalloproteinase]].<ref>{{cite journal |vauthors=Wang W, McKinnie SM, Farhan M, Paul M, McDonald T, McLean B, Llorens-Cortes C, Hazra S, Murray AG, Vederas JC, Oudit GY |display-authors=6 |title=Angiotensin-Converting Enzyme 2 Metabolizes and Partially Inactivates Pyr-Apelin-13 and Apelin-17: Physiological Effects in the Cardiovascular System |journal=Hypertension |volume=68 |issue=2 |pages=365–377 |date=August 2016 |pmid=27217402 |doi=10.1161/HYPERTENSIONAHA.115.06892 |s2cid=829514}}</ref> The zinc center catalyses the peptide hydrolysis. Reflecting the critical role of zinc, ACE can be inhibited by metal[[Chelating agent|-chelating agents.]]<ref>{{cite journal |vauthors=Bünning P, Riordan JF |title=The functional role of zinc in angiotensin converting enzyme: implications for the enzyme mechanism |journal=Journal of Inorganic Biochemistry |volume=24 |issue=3 |pages=183–198 |date=July 1985 |pmid=2995578 |doi=10.1016/0162-0134(85)85002-9}}</ref>


[[File:ACE in complex with inhibitor lisinopril.png|thumb|center|403x403px|ACE in complex with inhibitor lisinopril, zinc cation shown in grey, chloride anions in yellow. Based on PyMOL rendering of PDB [http://www.rcsb.org/pdb/explore/explore.do?structureId=1o86 1o86]. The picture shows that lisinopril is a competitive inhibitor, since it and angiotensin I are similar structurally. Both bind to the active site of ACE. The structure of the ACE-lisinopril complex was confirmed by [[X-ray crystallography]].<ref name="Natesh_2003"/>
[[File:ACE in complex with inhibitor lisinopril.png|thumb|center|400px|ACE in complex with inhibitor lisinopril, zinc cation shown in grey, chloride anions in yellow. Based on PyMOL rendering of PDB [http://www.rcsb.org/pdb/explore/explore.do?structureId=1o86 1o86]. The picture shows that lisinopril is a competitive inhibitor, since it and angiotensin I are similar structurally. Both bind to the active site of ACE. The structure of the ACE-lisinopril complex was confirmed by [[X-ray crystallography]].<ref name="Natesh_2003"/>]]
]]


The E384 residue is mechanistically critical. As a general base, it deprotonates the [[metal aquo complex|zinc-bound water]], producing a nucleophilic Zn-OH center. The resulting ammonium group then serves as a general acid to cleave the C-N bond.<ref name="Zhang_2013">{{cite journal | vauthors = Zhang C, Wu S, Xu D | title = Catalytic mechanism of angiotensin-converting enzyme and effects of the chloride ion | journal = The Journal of Physical Chemistry. B | volume = 117 | issue = 22 | pages = 6635–6645 | date = June 2013 | pmid = 23672666 | doi = 10.1021/jp400974n }}</ref>
The E384 residue is mechanistically critical. As a general base, it deprotonates the [[metal aquo complex|zinc-bound water]], producing a nucleophilic Zn-OH center. The resulting ammonium group then serves as a general acid to cleave the C-N bond.<ref name="Zhang_2013">{{cite journal | vauthors = Zhang C, Wu S, Xu D | title = Catalytic mechanism of angiotensin-converting enzyme and effects of the chloride ion | journal = The Journal of Physical Chemistry. B | volume = 117 | issue = 22 | pages = 6635–6645 | date = June 2013 | pmid = 23672666 | doi = 10.1021/jp400974n }}</ref>
Line 102: Line 102:
{{refbegin|33em}}
{{refbegin|33em}}
* {{cite journal | vauthors = Niu T, Chen X, Xu X | title = Angiotensin converting enzyme gene insertion/deletion polymorphism and cardiovascular disease: therapeutic implications | journal = Drugs | volume = 62 | issue = 7 | pages = 977–993 | year = 2002 | pmid = 11985486 | doi = 10.2165/00003495-200262070-00001 | s2cid = 46986772 }}
* {{cite journal | vauthors = Niu T, Chen X, Xu X | title = Angiotensin converting enzyme gene insertion/deletion polymorphism and cardiovascular disease: therapeutic implications | journal = Drugs | volume = 62 | issue = 7 | pages = 977–993 | year = 2002 | pmid = 11985486 | doi = 10.2165/00003495-200262070-00001 | s2cid = 46986772 }}
* {{cite journal | vauthors = Roĭtberg GE, Tikhonravov AV, Dorosh Z#REDIRECT [[]] | title = [Role of angiotensin-converting enzyme gene polymorphism in the development of metabolic syndrome] | journal = Terapevticheskii Arkhiv | volume = 75 | issue = 12 | pages = 72–77 | year = 2004 | pmid = 14959477 }}
* {{cite journal | vauthors = Roĭtberg GE, Tikhonravov AV, Dorosh ZV | title = Rol' polimorfizma gena angiotenzinprevrashchaiushchego fermenta v razvitii metabolicheskogo sindroma |trans-title=Role of angiotensin-converting enzyme gene polymorphism in the development of metabolic syndrome | journal = Terapevticheskii Arkhiv | volume = 75 | issue = 12 | pages = 72–77 | year = 2004 | pmid = 14959477 |language=ru}}
* {{cite journal | vauthors = Vynohradova SV | title = [The role of angiotensin-converting enzyme gene I/D polymorphism in development of metabolic disorders in patients with cardiovascular pathology] | journal = TSitologiia I Genetika | volume = 39 | issue = 1 | pages = 63–70 | year = 2005 | pmid = 16018179 }}
* {{cite journal | vauthors = Vynohradova SV | title = [The role of angiotensin-converting enzyme gene I/D polymorphism in development of metabolic disorders in patients with cardiovascular pathology] | journal = TSitologiia I Genetika | volume = 39 | issue = 1 | pages = 63–70 | year = 2005 | pmid = 16018179 }}
* {{cite journal | vauthors = König S, Luger TA, Scholzen TE | title = Monitoring neuropeptide-specific proteases: processing of the proopiomelanocortin peptides adrenocorticotropin and alpha-melanocyte-stimulating hormone in the skin | journal = Experimental Dermatology | volume = 15 | issue = 10 | pages = 751–761 | date = October 2006 | pmid = 16984256 | doi = 10.1111/j.1600-0625.2006.00472.x | s2cid = 32034934 | doi-access = free }}
* {{cite journal | vauthors = König S, Luger TA, Scholzen TE | title = Monitoring neuropeptide-specific proteases: processing of the proopiomelanocortin peptides adrenocorticotropin and alpha-melanocyte-stimulating hormone in the skin | journal = Experimental Dermatology | volume = 15 | issue = 10 | pages = 751–761 | date = October 2006 | pmid = 16984256 | doi = 10.1111/j.1600-0625.2006.00472.x | s2cid = 32034934 | doi-access = free }}

Revision as of 15:47, 26 November 2022

Angiotensin-converting enzyme
Angiotensin-converting enzyme monomer, Drosophila melanogaster
Identifiers
EC no.3.4.15.1
CAS no.9015-82-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Search
PMCarticles
PubMedarticles
NCBIproteins
ACE
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesACE, angiotensin I converting enzyme, ACE1, CD143, DCP, DCP1, ICH, MVCD3, Angiotensin-converting enzyme
External IDsOMIM: 106180; MGI: 87874; HomoloGene: 37351; GeneCards: ACE; OMA:ACE - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_009598
NM_207624
NM_001281819

RefSeq (protein)

NP_001268748
NP_033728
NP_997507

Location (UCSC)Chr 17: 63.48 – 63.5 MbChr 11: 105.86 – 105.88 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Angiotensin-converting enzyme (EC 3.4.15.1), or ACE, is a central component of the renin–angiotensin system (RAS), which controls blood pressure by regulating the volume of fluids in the body. It converts the hormone angiotensin I to the active vasoconstrictor angiotensin II. Therefore, ACE indirectly increases blood pressure by causing blood vessels to constrict. ACE inhibitors are widely used as pharmaceutical drugs for treatment of cardiovascular diseases.[5]

Other lesser known functions of ACE are degradation of bradykinin,[6] substance P[7] and amyloid beta-protein.[8]

Nomenclature

ACE is also known by the following names:

  • dipeptidyl carboxypeptidase I
  • peptidase P
  • dipeptide hydrolase
  • peptidyl dipeptidase
  • angiotensin converting enzyme
  • kininase II
  • angiotensin I-converting enzyme
  • carboxycathepsin
  • dipeptidyl carboxypeptidase
  • "hypertensin converting enzyme" peptidyl dipeptidase I
  • peptidyl-dipeptide hydrolase
  • peptidyldipeptide hydrolase
  • endothelial cell peptidyl dipeptidase
  • peptidyl dipeptidase-4
  • PDH
  • peptidyl dipeptide hydrolase
  • DCP
  • CD143

Function

ACE hydrolyzes peptides by the removal of a dipeptide from the C-terminus. Likewise it converts the inactive decapeptide angiotensin I to the octapeptide angiotensin II by removing the dipeptide His-Leu.[9]

proposed ACE catalytic mechanism

ACE is a central component of the renin–angiotensin system (RAS), which controls blood pressure by regulating the volume of fluids in the body.

Schematic diagram of the renin–angiotensin–aldosterone system

Angiotensin II is a potent vasoconstrictor in a substrate concentration-dependent manner.[10] Angiotensin II binds to the type 1 angiotensin II receptor (AT1), which sets off a number of actions that result in vasoconstriction and therefore increased blood pressure.

Anatomical diagram of the renin–angiotensin system, showing the role of ACE at the lungs[11]

ACE is also part of the kinin-kallikrein system where it degrades bradykinin, a potent vasodilator, and other vasoactive peptides.[12]

Kininase II is the same as angiotensin-converting enzyme. Thus, the same enzyme (ACE) that generates a vasoconstrictor (ANG II) also disposes of vasodilators (bradykinin).[11]

Mechanism

ACE is a zinc metalloproteinase.[13] The zinc center catalyses the peptide hydrolysis. Reflecting the critical role of zinc, ACE can be inhibited by metal-chelating agents.[14]

ACE in complex with inhibitor lisinopril, zinc cation shown in grey, chloride anions in yellow. Based on PyMOL rendering of PDB 1o86. The picture shows that lisinopril is a competitive inhibitor, since it and angiotensin I are similar structurally. Both bind to the active site of ACE. The structure of the ACE-lisinopril complex was confirmed by X-ray crystallography.[15]

The E384 residue is mechanistically critical. As a general base, it deprotonates the zinc-bound water, producing a nucleophilic Zn-OH center. The resulting ammonium group then serves as a general acid to cleave the C-N bond.[16]

The function of the chloride ion is very complex and is highly debated. The anion activation by chloride is a characteristic feature of ACE.[17] It was experimentally determined that the activation of hydrolysis by chloride is highly dependent on the substrate. While it increases hydrolysis rates for e.g. Hip-His-Leu it inhibits hydrolysis of other substrates like Hip-Ala-Pro.[16] Under physiological conditions the enzyme reaches about 60% of its maximal activity toward angiotensin I while it reaches its full activity toward bradykinin. It is therefore assumed that the function of the anion activation in ACE provides high substrate specificity.[17] Other theories say that the chloride might simply stabilize the overall structure of the enzyme.[16]

Genetics

The ACE gene, ACE, encodes two isozymes. The somatic isozyme is expressed in many tissues, mainly in the lung, including vascular endothelial cells, epithelial kidney cells, and testicular Leydig cells, whereas the germinal is expressed only in sperm. Brain tissue has ACE enzyme, which takes part in local RAS and converts Aβ42 (which aggregates into plaques) to Aβ40 (which is thought to be less toxic) forms of beta amyloid. The latter is predominantly a function of N domain portion on the ACE enzyme. ACE inhibitors that cross the blood–brain barrier and have preferentially selected N-terminal activity may therefore cause accumulation of Aβ42 and progression of dementia.[citation needed]

Disease relevance

ACE inhibitors are widely used as pharmaceutical drugs in the treatment of conditions such as high blood pressure, heart failure, diabetic nephropathy, and type 2 diabetes mellitus.

ACE inhibitors inhibit ACE competitively.[18] That results in the decreased formation of angiotensin II and decreased metabolism of bradykinin, which leads to systematic dilation of the arteries and veins and a decrease in arterial blood pressure. In addition, inhibiting angiotensin II formation diminishes angiotensin II-mediated aldosterone secretion from the adrenal cortex, leading to a decrease in water and sodium reabsorption and a reduction in extracellular volume.[19]

ACE's effect on Alzheimer's disease is still highly debated. Alzheimer patients usually show higher ACE levels in their brain. Some studies suggest that ACE inhibitors that are able to pass the blood-brain-barrier (BBB) could enhance the activity of major amyloid-beta peptide degrading enzymes like neprilysin in the brain resulting in a slower development of Alzheimer's disease.[20] More recent research suggests that ACE inhibitors can reduce risk of Alzheimer's disease in the absence of apolipoprotein E4 alleles (ApoE4), but will have no effect in ApoE4- carriers.[21] Another more recent hypothesis is that higher levels of ACE can prevent Alzheimer's. It is assumed that ACE can degrade beta-amyloid in brain blood vessels and therefore help prevent the progression of the disease.[22]

A negative correlation between the ACE1 D-allele frequency and the prevalence and mortality of COVID-19 has been established.[23]

Pathology

Influence on athletic performance

The angiotensin converting enzyme gene has more than 160 polymorphisms described as of 2018.[24]

Studies have shown that different genotypes of angiotensin converting enzyme can lead to varying influence on athletic performance.[25][26]

The rs1799752 I/D polymorphism consists of either an insertion (I) or absence (D) of a 287 base pair alanine sequence in intron 16 of the gene.[24] The DD genotype is associated with higher plasma levels of the ACE protein, the DI genotype with intermediate levels, and II with lower levels.[24] During physical exercise, due to higher levels of the ACE for D-allele carriers, hence higher capacity to produce angiotensin II, the blood pressure will increase sooner than for I-allele carriers. This results in a lower maximal heart rate and lower maximum oxygen uptake (VO2max). Therefore, D-allele carriers have a 10% increased risk of cardiovascular diseases. Furthermore, the D-allele is associated with a greater increase in left ventricular growth in response to training compared to the I-allele.[27] On the other hand, I-allele carriers usually show an increased maximal heart rate due to lower ACE levels, higher maximum oxygen uptake and therefore show an enhanced endurance performance.[27] The I allele is found with increased frequency in elite distance runners, rowers and cyclists. Short distance swimmers show an increased frequency of the D-allele, since their discipline relies more on strength than endurance.[28][29]

History

The enzyme was reported by Leonard T. Skeggs Jr. in 1956.[30] The crystal structure of human testis ACE was solved in the year 2002 by R. Natesh in the lab of K. Ravi Acharya.[15] It is located mainly in the capillaries of the lungs but can also be found in endothelial and kidney epithelial cells.[31]

See also

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000159640Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000020681Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Kaplan's Essentials of Cardiac Anesthesia. Elsevier. 2018. doi:10.1016/c2012-0-06151-0. ISBN 978-0-323-49798-5. Mechanisms of Action:ACE inhibitors act by inhibiting one of several proteases responsible for cleaving the decapeptide Ang I to form the octapeptide Ang II. Because ACE is also the enzyme that degrades bradykinin, ACE inhibitors increase circulating and tissue levels of bradykinin (Fig. 8.4).
  6. ^ Fillardi PP (2015). ACEi and ARBS in Hypertension and Heart Failure. Vol. 5. Switzerland: Springer International Publishing. pp. 10–13. ISBN 978-3-319-09787-9.
  7. ^ Dicpinigaitis PV (January 2006). "Angiotensin-converting enzyme inhibitor-induced cough: ACCP evidence-based clinical practice guidelines". Chest. 129 (1 Suppl): 169S–173S. doi:10.1378/chest.129.1_suppl.169S. PMID 16428706.
  8. ^ Hemming ML, Selkoe DJ (November 2005). "Amyloid beta-protein is degraded by cellular angiotensin-converting enzyme (ACE) and elevated by an ACE inhibitor". The Journal of Biological Chemistry. 280 (45): 37644–37650. doi:10.1074/jbc.M508460200. PMC 2409196. PMID 16154999.
  9. ^ Coates D (June 2003). "The angiotensin converting enzyme (ACE)". The International Journal of Biochemistry & Cell Biology. Renin–Angiotensin Systems: State of the Art. 35 (6): 769–773. doi:10.1016/S1357-2725(02)00309-6. PMID 12676162.
  10. ^ Zhang R, Xu X, Chen T, Li L, Rao P (May 2000). "An assay for angiotensin-converting enzyme using capillary zone electrophoresis". Analytical Biochemistry. 280 (2): 286–290. doi:10.1006/abio.2000.4535. PMID 10790312.
  11. ^ a b Boulpaep EL, Boron WF (2005). "Integration of Salt and Water Balance". Medical Physiology: a Cellular and Molecular Approach. Philadelphia, PA: Elsevier Saunders. pp. 866–867. ISBN 978-1-4160-2328-9.
  12. ^ Imig JD (March 2004). "ACE Inhibition and Bradykinin-Mediated Renal Vascular Responses: EDHF Involvement". Hypertension. 43 (3): 533–535. doi:10.1161/01.HYP.0000118054.86193.ce. PMID 14757781.
  13. ^ Wang W, McKinnie SM, Farhan M, Paul M, McDonald T, McLean B, et al. (August 2016). "Angiotensin-Converting Enzyme 2 Metabolizes and Partially Inactivates Pyr-Apelin-13 and Apelin-17: Physiological Effects in the Cardiovascular System". Hypertension. 68 (2): 365–377. doi:10.1161/HYPERTENSIONAHA.115.06892. PMID 27217402. S2CID 829514.
  14. ^ Bünning P, Riordan JF (July 1985). "The functional role of zinc in angiotensin converting enzyme: implications for the enzyme mechanism". Journal of Inorganic Biochemistry. 24 (3): 183–198. doi:10.1016/0162-0134(85)85002-9. PMID 2995578.
  15. ^ a b Natesh R, Schwager SL, Sturrock ED, Acharya KR (January 2003). "Crystal structure of the human angiotensin-converting enzyme-lisinopril complex". Nature. 421 (6922): 551–554. Bibcode:2003Natur.421..551N. doi:10.1038/nature01370. PMID 12540854. S2CID 4137382.
  16. ^ a b c Zhang C, Wu S, Xu D (June 2013). "Catalytic mechanism of angiotensin-converting enzyme and effects of the chloride ion". The Journal of Physical Chemistry. B. 117 (22): 6635–6645. doi:10.1021/jp400974n. PMID 23672666.
  17. ^ a b Bünning P (1983). "The catalytic mechanism of angiotensin converting enzyme". Clinical and Experimental Hypertension. Part A, Theory and Practice. 5 (7–8): 1263–1275. doi:10.3109/10641968309048856. PMID 6315268.
  18. ^ "Angiotensin converting enzyme (ace) inhibitors" (PDF). British Hypertension Society. Archived from the original (PDF) on 2017-11-18.
  19. ^ Klabunde RE. "ACE-inhibitors". Cardiovascular Pharmacology Concepts. cvpharmacology.com. Retrieved 2009-03-26.
  20. ^ Brooks L (2004). "The Importance of Treating the Blood Pressure: ACE Inhibitors May Slow Alzheimer's Disease". Medscape. Medscape Cardiology.
  21. ^ Qiu WQ, Mwamburi M, Besser LM, Zhu H, Li H, Wallack M, et al. (2013-01-01). "Angiotensin converting enzyme inhibitors and the reduced risk of Alzheimer's disease in the absence of apolipoprotein E4 allele". Journal of Alzheimer's Disease. 37 (2): 421–428. doi:10.3233/JAD-130716. PMC 3972060. PMID 23948883.
  22. ^ "ACE Enzyme May Enhance Immune Responses And Prevent Alzheimer's". Science 2.0. 27 August 2014. Retrieved 2016-03-01.
  23. ^ Delanghe JR, Speeckaert MM, De Buyzere ML (June 2020). "The host's angiotensin-converting enzyme polymorphism may explain epidemiological findings in COVID-19 infections". Clinica Chimica Acta; International Journal of Clinical Chemistry. 505: 192–193. doi:10.1016/j.cca.2020.03.031. PMC 7102561. PMID 32220422.
  24. ^ a b c Cintra MT, Balarin MA, Tanaka SC, Silva VI, Marqui AB, Resende EA, et al. (November 2018). "Polycystic ovarian syndrome: rs1799752 polymorphism of ACE gene". Revista da Associacao Medica Brasileira. 64 (11): 1017–1022. doi:10.1590/1806-9282.64.11.1017. PMID 30570054.
  25. ^ Flück M, Kramer M, Fitze DP, Kasper S, Franchi MV, Valdivieso P (8 May 2019). "Cellular Aspects of Muscle Specialization Demonstrate Genotype - Phenotype Interaction Effects in Athletes". Frontiers in Physiology. 10: 526. doi:10.3389/fphys.2019.00526. PMC 6518954. PMID 31139091.
  26. ^ Wang P, Fedoruk MN, Rupert JL (2008). "Keeping pace with ACE: are ACE inhibitors and angiotensin II type 1 receptor antagonists potential doping agents?". Sports Medicine. 38 (12): 1065–1079. doi:10.2165/00007256-200838120-00008. PMID 19026021. S2CID 7614657.
  27. ^ a b Montgomery HE, Clarkson P, Dollery CM, Prasad K, Losi MA, Hemingway H, et al. (August 1997). "Association of angiotensin-converting enzyme gene I/D polymorphism with change in left ventricular mass in response to physical training". Circulation. 96 (3): 741–747. doi:10.1161/01.CIR.96.3.741. PMID 9264477.
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  29. ^ Costa AM, Silva AJ, Garrido ND, Louro H, de Oliveira RJ, Breitenfeld L (August 2009). "Association between ACE D allele and elite short distance swimming". European Journal of Applied Physiology. 106 (6): 785–790. doi:10.1007/s00421-009-1080-z. hdl:10400.15/3565. PMID 19458960. S2CID 21167767.
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Further reading