Evidence map›Paper›PMID 22952628›Full record

ArticlePloS one2012

Structures of human DPP7 reveal the molecular basis of specific inhibition and the architectural diversity of proline-specific peptidases.

Gustavo Arruda Bezerra, Elena Dobrovetsky, Aiping Dong, Almagul Seitova, Lissete Crombett, Lisa M Shewchuk, Annie M Hassell, Sharon M Sweitzer, Thomas D Sweitzer, Patrick J McDevitt and 6 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

15 citing papers in PubMed, 29 citations in OpenAlex.

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  11. Exopeptidases and gingipains inThe Japanese dental science review · 2016
    Review
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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

16 authors at 4 institutions in 3 countries.

Gustavo Arruda BezerraInstitute of Molecular Biosciences, University of Graz, Graz, Austria.
Elena Dobrovetsky
Aiping Dong
Almagul Seitova
Lissete Crombett
Lisa M Shewchuk
Annie M Hassell
Sharon M Sweitzer
Thomas D Sweitzer
Patrick J McDevitt
Kyung O Johanson
Karen M Kennedy-Wilson
Doug Cossar
Alexey Bochkarev
Karl Gruber
Sirano Dhe-Paganon
GlaxoSmithKline (United States) · USUniversity of Toronto · CAUniversity of Graz · ATStructural Genomics Consortium · CA

Funding

CIHRWellcome Trust
6 · The paper itself

Abstract

Proline-specific dipeptidyl peptidases (DPPs) are emerging targets for drug development. DPP4 inhibitors are approved in many countries, and other dipeptidyl peptidases are often referred to as DPP4 activity- and/or structure-homologues (DASH). Members of the DASH family have overlapping substrate specificities, and, even though they share low sequence identity, therapeutic or clinical cross-reactivity is a concern. Here, we report the structure of human DPP7 and its complex with a selective inhibitor Dab-Pip (L-2,4-diaminobutyryl-piperidinamide) and compare it with that of DPP4. Both enzymes share a common catalytic domain (α/β-hydrolase). The catalytic pocket is located in the interior of DPP7, deep inside the cleft between the two domains. Substrates might access the active site via a narrow tunnel. The DPP7 catalytic triad is completely conserved and comprises Ser162, Asp418 and His443 (corresponding to Ser630, Asp708 and His740 in DPP4), while other residues lining the catalytic pockets differ considerably. The "specificity domains" are structurally also completely different exhibiting a β-propeller fold in DPP4 compared to a rare, completely helical fold in DPP7. Comparing the structures of DPP7 and DPP4 allows the design of specific inhibitors and thus the development of less cross-reactive drugs. Furthermore, the reported DPP7 structures shed some light onto the evolutionary relationship of prolyl-specific peptidases through the analysis of the architectural organization of their domains.

Indexed as

Amino AcidsAnimalsBase SequenceCatalysisCatalytic DomainCHO CellsCricetinaeDimerizationDipeptidyl Peptidase 4Dipeptidyl-Peptidases and Tripeptidyl-PeptidasesEvolution, MolecularHumansInsectaMolecular Sequence DataProlineProtein BindingAmino AcidsDipeptidyl Peptidase 4dipeptidyl peptidase IIDipeptidyl-Peptidases and Tripeptidyl-PeptidasesProline

Identifiers

PMID22952628
PMCPMC3430648
OpenAlexW1997883323

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.