Evidence map›Paper›PMID 8786234›Full record

ReviewJournal of bioenergetics and biomembranes1996

Engineering the lac permease for purification and crystallization.

G G Prive, H R Kaback

Abstract readReview
PubMed
In one paragraph

Review in Journal of bioenergetics and biomembranes, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.2field-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

9 citing papers in PubMed, 34 citations in OpenAlex.

  1. Article
  2. Antibody fragments as tools in crystallography.Clinical and experimental immunology · 2011
    Review
  3. Review
  4. Crystal structures of fusion proteins with large-affinity tags.Protein science : a publication of the Protein Society · 2003
    Review
  5. Article
  6. Article
  7. The central cytoplasmic loop of the major facilitator superfamily of transport proteins governs efficient membrane insertion.Proceedings of the National Academy of Sciences of the United States of America · 2000
    Article
  8. Mesoscopic surfactant organization and membrane protein crystallization.Protein science : a publication of the Protein Society · 2000
    Article
  9. Toward the bilayer proteome, electrospray ionization-mass spectrometry of large, intact transmembrane proteins.Proceedings of the National Academy of Sciences of the United States of America · 1999
    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

2 authors at 2 institutions in 2 countries.

G G PriveOntario Cancer Institute, University of Toronto, Canada.
H R Kaback
Howard Hughes Medical Institute · USUniversity of Toronto · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The lactose permease is being used as a model system for the rational redesign of a membrane protein with the goal of increasing the likelihood of crystallization. Various modifications to the protein have been added for the purposes of purification, stability, and potential for crystallization. The addition of six consecutive histidines at the C-terminus of the protein allows for rapid purification by nickel-chelate chromatography, and the insertion of an entire protein domain into one of the inner cytoplasmic loops of the permease gives the resulting protein a larger hydrophilic surface area. The increase in polar surface area makes the fusion protein easier to handle and more likely to crystallize. In particular, the introduction of cytochrome b562 of E. coli into the central hydrophilic domain the lac permease results in a fusion protein with the transport activity of the permease and the visible absorbance spectrum of the cytochrome. The "red permease" is very easy to monitor through the steps of expression, purification, concentration, and crystallization.

Indexed as

Escherichia coli ProteinsMonosaccharide Transport ProteinsSymportersAvidinCrystallizationCytochrome b GroupDrug StabilityEscherichia coliMembrane ProteinsMembrane Transport ProteinsNitrilotriacetic AcidOrganometallic CompoundsProtein EngineeringRecombinant Fusion ProteinsSpectrophotometryAvidincytochrome b562, E coliCytochrome b GroupEscherichia coli Proteinslactose permeaseLacY protein, E coliMembrane ProteinsMembrane Transport ProteinsMonosaccharide Transport Proteinsnickel nitrilotriacetic acidNitrilotriacetic AcidOrganometallic CompoundsRecombinant Fusion ProteinsSymporters

Identifiers

PMID8786234
OpenAlexW2009055581

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.