Evidence map›Paper›PMID 19917235›Full record

ArticleBiophysical journal2009

A second look at mini-protein stability: analysis of FSD-1 using circular dichroism, differential scanning calorimetry, and simulations.

Jianwen A Feng, Jeff Kao, Garland R Marshall

Abstract read
In one paragraph

Article in Biophysical journal, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Article
  2. Effects of protein size, thermodynamic stability, and net charge on cotranslational folding on the ribosome.Proceedings of the National Academy of Sciences of the United States of America · 2018
    Article
  3. Article
  4. Article
  5. Stability and folding behavior analysis of zinc-finger using simple models.International journal of molecular sciences · 2010
    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

3 authors.

Jianwen A FengCenter for Computational Biology, Department of Biochemistry and Molecular Biophysics, Washington University in St. Louis, St. Louis, Missouri, USA. jafeng@artsci.wustl.edu
Jeff Kao
Garland R Marshall

Funding

TRAINING PROGRAM IN COMPUTATIONAL BIOLOGYT32GM008802 · NIGMS · WASHINGTON UNIVERSITY · PI STORMO, GARY D · 2001 to 2010
$1.7M
Heterochiral Dipeptides of Chimeric Cyclic Amino AcidsR01GM068460 · NIGMS · WASHINGTON UNIVERSITY · PI MARSHALL, GARLAND ROSS · 2005 to 2008
$1.4M
NIGMS NIH HHS GM 008802NIGMS NIH HHS R01 GM068460NIGMS NIH HHS T32 GM008802
6 · The paper itself

Abstract

Mini-proteins that contain <50 amino acids often serve as model systems for studying protein folding because their small size makes long timescale simulations possible. However, not all mini-proteins are created equal. The stability and structure of FSD-1, a 28-residue mini-protein that adopted the betabetaalpha zinc-finger motif independent of zinc binding, was investigated using circular dichroism, differential scanning calorimetry, and replica-exchange molecular dynamics. The broad melting transition of FSD-1, similar to that of a helix-to-coil transition, was observed by using circular dichroism, differential scanning calorimetry, and replica-exchange molecular dynamics. The N-terminal beta-hairpin was found to be flexible. The FSD-1 apparent melting temperature of 41 degrees C may be a reflection of the melting of its alpha-helical segment instead of the entire protein. Thus, despite its attractiveness due to small size and purposefully designed helix, sheet, and turn structures, the status of FSD-1 as a model system for studying protein folding should be reconsidered.

Indexed as

Calorimetry, Differential ScanningCircular DichroismComputer SimulationDNA-Binding ProteinsHydrogen BondingModels, ChemicalModels, MolecularPhase TransitionProtein FoldingProtein StabilityProtein Structure, SecondaryTemperatureTranscription FactorsTransition TemperatureDNA-Binding ProteinsFSD-1 protein, syntheticTranscription Factors

Identifiers

PMID19917235
PMCPMC2776296

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.