Evidence map›Paper›PMID 33830078›Full record

ArticleActa crystallographica. Section F, Structural biology communications2021

Preliminary results of neutron and X-ray diffraction data collection on a lytic polysaccharide monooxygenase under reduced and acidic conditions.

Gabriela C Schröder, William B O'Dell, Paul D Swartz, Flora Meilleur

Open access · greenAbstract read
In one paragraph

Article in Acta crystallographica. Section F, Structural biology communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.3field-weighted citation impact, top 52% 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

4 citing papers in PubMed, 4 citations in OpenAlex.

  1. Article
  2. Joint X-ray/neutron structure of Lentinus similis AA9_A at room temperature.Acta crystallographica. Section F, Structural biology communications · 2023
    Article
  3. Article
  4. Review
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

4 authors at 2 institutions in 1 country.

Gabriela C SchröderDepartment of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC 27695, USA.ORCID 0000-0002-4173-6968
William B O'DellDepartment of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC 27695, USA.ORCID 0000-0002-8063-5190
Paul D SwartzDepartment of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC 27695, USA.ORCID 0000-0001-7088-0427
Flora MeilleurDepartment of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC 27695, USA.ORCID 0000-0001-9313-8989
Oak Ridge National Laboratory · USNorth Carolina State University · US

Funding

National Institute of Food and Agriculture 211001
6 · The paper itself

Abstract

Lytic polysaccharide monooxygenases (LPMOs) are copper-center enzymes that are involved in the oxidative cleavage of the glycosidic bond in crystalline cellulose and other polysaccharides. The LPMO reaction is initiated by the addition of a reductant and oxygen to ultimately form an unknown activated copper-oxygen species that is responsible for polysaccharide-substrate H-atom abstraction. Given the sensitivity of metalloproteins to radiation damage, neutron protein crystallography provides a nondestructive technique for structural characterization while also informing on the positions of H atoms. Neutron cryo-crystallography permits the trapping of catalytic intermediates, thereby providing insight into the protonation states and chemical nature of otherwise short-lived species in the reaction mechanism. To characterize the reaction-mechanism intermediates of LPMO9D from Neurospora crassa, a cryo-neutron diffraction data set was collected from an ascorbate-reduced crystal. A second neutron diffraction data set was collected at room temperature from an LPMO9D crystal exposed to low-pH conditions to probe the protonation states of ionizable groups involved in catalysis under acidic conditions.

Indexed as

Data CollectionHydrogen-Ion ConcentrationMixed Function OxygenasesNeurospora crassaNeutron DiffractionPolysaccharidesProtein Structure, SecondaryX-Ray DiffractionMixed Function OxygenasesPolysaccharidesenzymatic mechanismlytic polysaccharide monooxygenasesNeurospora crassaneutron protein crystallographyprotonationreduction

Identifiers

PMID33830078
PMCPMC8034432
OpenAlexW3149058082

What OpenQuestion holds

Textmetadata
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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.