Evidence map›Paper›PMID 21352096›Full record

ArticleThe Biochemical journal2011

Novel mechanism of inhibition of human angiotensin-I-converting enzyme (ACE) by a highly specific phosphinic tripeptide.

Mohd Akif, Sylva L Schwager, Colin S Anthony, Bertrand Czarny, Fabrice Beau, Vincent Dive, Edward D Sturrock, K Ravi Acharya

Open access · bronzeAbstract read
In one paragraph

Article in The Biochemical journal, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.0field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 40 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 4 institutions in 3 countries.

Mohd AkifDepartment of Biology and Biochemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK.
Sylva L Schwager
Colin S Anthony
Bertrand Czarny
Fabrice Beau
Vincent Dive
Edward D Sturrock
K Ravi Acharya
University of Cape Town · ZACommissariat à l'Énergie Atomique et aux Énergies Alternatives · FRUniversity of Bath · GBInstitut de Biologie et Technologies · FR

Funding

Medical Research Council 81272Medical Research Council G0601973Wellcome Trust 070060Wellcome Trust 088464
6 · The paper itself

Abstract

Human ACE (angiotensin-I-converting enzyme) has long been regarded as an excellent target for the treatment of hypertension and related cardiovascular diseases. Highly potent inhibitors have been developed and are extensively used in the clinic. To develop inhibitors with higher therapeutic efficacy and reduced side effects, recent efforts have been directed towards the discovery of compounds able to simultaneously block more than one zinc metallopeptidase (apart from ACE) involved in blood pressure regulation in humans, such as neprilysin and ECE-1 (endothelin-converting enzyme-1). In the present paper, we show the first structures of testis ACE [C-ACE, which is identical with the C-domain of somatic ACE and the dominant domain responsible for blood pressure regulation, at 1.97Å (1 Å=0.1 nm)] and the N-domain of somatic ACE (N-ACE, at 2.15Å) in complex with a highly potent and selective dual ACE/ECE-1 inhibitor. The structural determinants revealed unique features of the binding of two molecules of the dual inhibitor in the active site of C-ACE. In both structures, the first molecule is positioned in the obligatory binding site and has a bulky bicyclic P(1)' residue with the unusual R configuration which, surprisingly, is accommodated by the large S(2)' pocket. In the C-ACE complex, the isoxazole phenyl group of the second molecule makes strong pi-pi stacking interactions with the amino benzoyl group of the first molecule locking them in a 'hand-shake' conformation. These features, for the first time, highlight the unusual architecture and flexibility of the active site of C-ACE, which could be further utilized for structure-based design of new C-ACE or vasopeptidase inhibitors.

Indexed as

Angiotensin-Converting Enzyme InhibitorsAspartic Acid EndopeptidasesBinding SitesEndothelin-Converting EnzymesHumansMetalloendopeptidasesModels, MolecularOligopeptidesPeptidesPeptidyl-Dipeptidase APhosphinic AcidsStructure-Activity Relationship2-((3-(hydroxyl(2-phenyl-1-(((benzyloxy)carbonyl)amino)ethyl)phosphinyl)-2-((3-phenylisoxazol-5-yl)methyl)-1-oxo-propyl)amino)-3-(4-hydroxy-phenyl)propanoic acidACE protein, humanAngiotensin-Converting Enzyme InhibitorsAspartic Acid EndopeptidasesECE1 protein, humanEndothelin-Converting EnzymesMetalloendopeptidasesOligopeptidesPeptidesPeptidyl-Dipeptidase APhosphinic Acids

Identifiers

PMID21352096
PMCPMC3086271
OpenAlexW2164050198

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.