Evidence map›Paper›PMID 21167941›Full record

ArticleMethods (San Diego, Calif.)2011

The analysis of macromolecular interactions by sedimentation equilibrium.

Rodolfo Ghirlando

Abstract readValidation Study
In one paragraph

Article in Methods (San Diego, Calif.), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
–field-weighted citation impact
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

27 citing papers in PubMed.

  1. Article
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  19. Review
  20. Structure and dynamics of full-length HIV-1 capsid protein in solution.Journal of the American Chemical Society · 2013
    Article
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

1 author.

Rodolfo GhirlandoLaboratory of Molecular Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892-0540, USA. rodolfo.ghirlando@nih.gov

Funding

Biophysics of Macromolecular ComplexesZIADK033007 · NIDDK · NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES · PI BUCHANAN, SUSAN · 2009 to 2024
$4.9M
Intramural NIH HHS Z99 DK999999
6 · The paper itself

Abstract

The study of macromolecular interactions by sedimentation equilibrium is a highly technical method that requires great care in both the experimental design and data analysis. The complexity of the interacting system that can be analyzed is only limited by the ability to deconvolute the exponential contributions of each of the species to the overall concentration gradient. This is achieved in part through the use of multi-signal data collection and the implementation of soft mass conservation. We illustrate the use of these constraints in SEDPHAT through the study of an A+B+B⇌AB+B⇌ABB system and highlight some of the technical challenges that arise. We show that both the multi-signal analysis and mass conservation result in a precise and robust data analysis and discuss improvements that can be obtained through the inclusion of data from other methods such as sedimentation velocity and isothermal titration calorimetry.

Indexed as

ChymotrypsinMacromolecular SubstancesModels, ChemicalSoftwareSoybean ProteinsTrypsin InhibitorsUltracentrifugationalpha-chymotrypsinChymotrypsinMacromolecular SubstancesSoybean ProteinsTrypsin Inhibitors

Identifiers

PMID21167941
PMCPMC3090454

What Socratic 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 Socratic graph.