Evidence map›Paper›PMID 37269676›Full record

ReviewCurrent opinion in chemical biology2023

Structural insights into the half-of-sites reactivity in homodimeric and homotetrameric metalloenzymes.

Romie C Nguyen, Cassadee Stagliano, Aimin Liu

Open access · greenAbstract readReview
In one paragraph

Review in Current opinion in chemical biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.9field-weighted citation impact, top 30% 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

7 citing papers in PubMed, 9 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. 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

3 authors at 1 institution in 1 country.

Romie C NguyenDepartment of Chemistry, University of Texas, San Antonio, TX, 78249, USA.
Cassadee StaglianoDepartment of Chemistry, University of Texas, San Antonio, TX, 78249, USA.
Aimin LiuDepartment of Chemistry, University of Texas, San Antonio, TX, 78249, USA. Electronic address: Feradical@utsa.edu.
The University of Texas at San Antonio · US

Funding

Heme-dependent chemistry in tyrosine oxidation: Diversity Supplement on 5R01GM108988-08 for supporting Samuel MontoyaR01GM108988 · NIGMS · UNIVERSITY OF TEXAS SAN ANTONIO · PI LIU, AIMIN · 2014 to 2025
$4.2M
Identification of CNS-Penetrant Tryptophan 2,3-Dioxygenase Degrading LigandsR21AG078775 · NIA · PURDUE UNIVERSITY · PI ALTMAN, RYAN A, LIU, AIMIN · 2022 to 2023
$421k
Targeting Tryptophan Dioxygenase Degradation for Suppression of Tumor Immune EvasionR21CA270879 · NCI · PURDUE UNIVERSITY · PI ALTMAN, RYAN A, LIU, AIMIN · 2022 to 2023
$390k
NCI NIH HHS R21 CA270879NIA NIH HHS R21 AG078775NIGMS NIH HHS R01 GM108988
6 · The paper itself

Abstract

Half-of-sites reactivity in many homodimeric and homotetrameric metalloenzymes has been known for half a century, yet its benefit remains poorly understood. A recently reported cryo-electron microscopy structure has given some clues on the less optimized reactivity of Escherichia coli ribonucleotide reductase with an asymmetric association of α2β2 subunits during catalysis. Moreover, nonequivalence of enzyme active sites has been reported in many other enzymes, possibly as a means of regulation. They are often induced by substrate binding or caused by a critical component introduced from a neighboring subunit in response to substrate loadings, such as in prostaglandin endoperoxide H synthase, cytidine triphosphate synthase, glyoxalase, tryptophan dioxygenase, and several decarboxylases or dehydrogenases. Overall, half-of-sites reactivity is likely not an act of wasting resources but rather a method devised in nature to accommodate catalytic or regulatory needs.

Indexed as

MetalloproteinsBinding SitesCatalysisCatalytic DomainCryoelectron MicroscopyEscherichia coliMetalloproteinsAllosterismCooperativityEnzyme regulationHalf-sites reactivityMetalloproteinsProtein structure–function relationship

Identifiers

PMID37269676
PMCPMC10528533
OpenAlexW4379046930

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.