Evidence map›Paper›PMID 19837658›Full record

ArticleThe Journal of biological chemistry2009

Substrate-induced assembly of Methanococcoides burtonii D-ribulose-1,5-bisphosphate carboxylase/oxygenase dimers into decamers.

Hernán Alonso, Michelle J Blayney, Jennifer L Beck, Spencer M Whitney

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

25 citing papers in PubMed, 54 citations in OpenAlex.

  1. Chloroplasts and Plant Sustainability: Key Roles and Emerging Insights.International journal of molecular sciences · 2026
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  10. A unique structural domain inThe Journal of biological chemistry · 2017
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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

4 authors at 2 institutions in 1 country.

Hernán AlonsoResearch School of Biology, Australian National University, Canberra, Australian Capital Territory 2601, Australia.
Michelle J Blayney
Jennifer L Beck
Spencer M Whitney
Australian National University · AUUniversity of Wollongong · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Like many enzymes, the biogenesis of the multi-subunit CO(2)-fixing enzyme ribulose-1,5-bisphosphate (RuBP) carboxylase/oxygenase (Rubisco) in different organisms requires molecular chaperones. When expressed in Escherichia coli, the large (L) subunits of the Rubisco from the archaeabacterium Methanococcoides burtonii assemble into functional dimers (L(2)). However, further assembly into pentamers of L(2) (L(10)) occurs when expressed in tobacco chloroplasts or E. coli producing RuBP. In vitro analyses indicate that the sequential assembly of L(2) into L(10) (via detectable L(4) and L(6) intermediates) occurs without chaperone involvement and is stimulated by protein rearrangements associated with either the binding of substrate RuBP, the tight binding transition state analog carboxyarabinitol-1,5-bisphosphate, or inhibitory divalent metal ions within the active site. The catalytic properties of L(2) and L(10) M. burtonii Rubisco (MbR) were indistinguishable. At 25 degrees C they both shared a low specificity for CO(2) over O(2) (1.1 mol x mol(-1)) and RuBP carboxylation rates that were distinctively enhanced at low pH (approximately 4 s(-1) at pH 6, relative to 0.8 s(-1) at pH 8) with a temperature optimum of 55 degrees C. Like other archaeal Rubiscos, MbR also has a high O(2) affinity (K(m)(O(2)) = approximately 2.5 microM). The catalytic and structural similarities of MbR to other archaeal Rubiscos contrast with its closer sequence homology to bacterial L(2) Rubisco, complicating its classification within the Rubisco superfamily.

Indexed as

AnimalsCarbon DioxideCatalysisCattleDimerizationEscherichia coliHydrogen-Ion ConcentrationKineticsMethanosarcinaceaeOxygenPeptidesPlasmidsRibulose-Bisphosphate CarboxylaseSpectrometry, Mass, Electrospray IonizationSubstrate SpecificityCarbon DioxideOxygenPeptidesRibulose-Bisphosphate Carboxylase

Identifiers

PMID19837658
PMCPMC2797158
OpenAlexW1997854125

What OpenQuestion holds

Textmetadata
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.