Evidence map›Paper›PMID 27018802›Full record

ArticleNature structural & molecular biology2016

Structural basis for therapeutic inhibition of complement C5.

Matthijs M Jore, Steven Johnson, Devon Sheppard, Natalie M Barber, Yang I Li, Miles A Nunn, Hans Elmlund, Susan M Lea

Open access · greenAbstract read
In one paragraph

Article in Nature structural & molecular biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.

0numbers the graph read from it
0cells of the map it votes in
70citing papers in PubMed
6.8field-weighted citation impact, top 3% 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

70 citing papers in PubMed, 115 citations in OpenAlex.

  1. Article
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  7. GPCR drug discovery: new agents, targets and indications.Nature reviews. Drug discovery · 2025
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10 more citing papers are in PubMed but not listed here.

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 3 institutions in 2 countries.

Matthijs M JoreSir William Dunn School of Pathology, University of Oxford, Oxford, UK.
Steven JohnsonSir William Dunn School of Pathology, University of Oxford, Oxford, UK.ORCID 0000-0002-7877-3543
Devon SheppardSir William Dunn School of Pathology, University of Oxford, Oxford, UK.
Natalie M BarberSir William Dunn School of Pathology, University of Oxford, Oxford, UK.
Yang I LiMedical Research Council Functional Genomics Unit, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK.
Miles A NunnCentre for Ecology and Hydrology, Wallingford, UK.
Hans ElmlundDepartment of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia.
Susan M LeaSir William Dunn School of Pathology, University of Oxford, Oxford, UK.ORCID 0000-0001-9287-8053
University of Oxford · GBAustralian Research Council · AUUK Centre for Ecology & Hydrology · GB

Funding

Medical Research Council G0900747Medical Research Council G0900747 91070Wellcome TrustWellcome Trust 090532/Z/09/ZWellcome Trust 100298
6 · The paper itself

Abstract

Activation of complement C5 generates the potent anaphylatoxin C5a and leads to pathogen lysis, inflammation and cell damage. The therapeutic potential of C5 inhibition has been demonstrated by eculizumab, one of the world's most expensive drugs. However, the mechanism of C5 activation by C5 convertases remains elusive, thus limiting development of therapeutics. Here we identify and characterize a new protein family of tick-derived C5 inhibitors. Structures of C5 in complex with the new inhibitors, the phase I and phase II inhibitor OmCI, or an eculizumab Fab reveal three distinct binding sites on C5 that all prevent activation of C5. The positions of the inhibitor-binding sites and the ability of all three C5-inhibitor complexes to competitively inhibit the C5 convertase conflict with earlier steric-inhibition models, thus suggesting that a priming event is needed for activation.

Indexed as

Amino Acid SequenceAnimalsAntibodies, Monoclonal, HumanizedArthropod ProteinsBinding SitesComplement C5Complement Inactivating AgentsConserved SequenceHumansModels, MolecularProtein BindingProtein Conformation, alpha-HelicalProtein Interaction Domains and MotifsProtein Structure, QuaternaryRhipicephalusAntibodies, Monoclonal, HumanizedArthropod ProteinsComplement C5Complement Inactivating Agentseculizumab

Identifiers

PMID27018802
PMCPMC5771465
OpenAlexW2328670182

What OpenQuestion holds

Textmetadata
LicenceTDM
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.