Evidence map›Paper›PMID 26754917›Full record

ArticleeLife2016

Molecular basis for allosteric specificity regulation in class Ia ribonucleotide reductase from Escherichia coli.

Christina M Zimanyi, Percival Yang-Ting Chen, Gyunghoon Kang, Michael A Funk, Catherine L Drennan

Open access · goldAbstract read
In one paragraph

Article in eLife, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed
5.1field-weighted citation impact, top 5% 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

48 citing papers in PubMed, 79 citations in OpenAlex.

  1. Conformationally gated multisite proton-coupled electron transfer in the ribonucleotide reductaseProceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Profile of Catherine Drennan.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  8. 2.6-Å resolution cryo-EM structure of a class Ia ribonucleotide reductase trapped with mechanism-based inhibitor NProceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Allosteric crosstalk in modular proteins: Function fine-tuning and drug design.Computational and structural biotechnology journal · 2023
    Review
  14. Article
  15. Article
  16. Journal of the American Chemical Society · 2022
    Article
  17. 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

5 authors at 2 institutions in 1 country.

Christina M ZimanyiDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, United States.
Percival Yang-Ting ChenDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, United States.
Gyunghoon KangDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, United States.
Michael A FunkDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, United States.
Catherine L DrennanDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, United States.
Massachusetts Institute of Technology · USCenter for Environmental Health · US

Funding

TOXICOLOGY CORE UNITP30ES002109 · NIEHS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI LEVINE, STUART S · 1985 to 2020
$25.6M
Interdepartmental Biotechnology Training ProgramT32GM008334 · NIGMS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI WITTRUP, KARL DANE · 1989 to 2018
$15.2M
Overall EvaluationP41GM103403 · NIGMS · CORNELL UNIVERSITY · PI EALICK, STEVEN E · 2012 to 2017
$14.3M
Howard Hughes Medical InstituteNIEHS NIH HHS P30 ES002109NIEHS NIH HHS P30-ES002109NIGMS NIH HHS GM103403NIGMS NIH HHS P41 GM103403NIGMS NIH HHS T32 GM008334NIGMS NIH HHS T32GM08334
6 · The paper itself

Abstract

Ribonucleotide reductase (RNR) converts ribonucleotides to deoxyribonucleotides, a reaction that is essential for DNA biosynthesis and repair. This enzyme is responsible for reducing all four ribonucleotide substrates, with specificity regulated by the binding of an effector to a distal allosteric site. In all characterized RNRs, the binding of effector dATP alters the active site to select for pyrimidines over purines, whereas effectors dGTP and TTP select for substrates ADP and GDP, respectively. Here, we have determined structures of Escherichia coli class Ia RNR with all four substrate/specificity effector-pairs bound (CDP/dATP, UDP/dATP, ADP/dGTP, GDP/TTP) that reveal the conformational rearrangements responsible for this remarkable allostery. These structures delineate how RNR 'reads' the base of each effector and communicates substrate preference to the active site by forming differential hydrogen bonds, thereby maintaining the proper balance of deoxynucleotides in the cell.

Indexed as

Allosteric RegulationCrystallography, X-RayDeoxyribonucleotidesEscherichia coliModels, MolecularProtein ConformationRibonucleotide ReductasesSubstrate SpecificityDeoxyribonucleotidesRibonucleotide Reductasesallosteric regulationbiochemistrybiophysicsE. colinucleic acid metabolismstructural biologyX-ray crystallography

Identifiers

PMID26754917
PMCPMC4728125
OpenAlexW2235426168

What OpenQuestion holds

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Registered trials

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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.