Evidence map›Paper›PMID 1630491›Full record

ArticleNature1992

TCP1 complex is a molecular chaperone in tubulin biogenesis.

M B Yaffe, G W Farr, D Miklos, A L Horwich, M L Sternlicht, H Sternlicht

Abstract read
PubMed Publisher
In one paragraph

Article in Nature, 1992. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 151 papers.

0numbers the graph read from it
0cells of the map it votes in
151citing papers in PubMed
15.9field-weighted citation impact, top 1% 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

151 citing papers in PubMed, 466 citations in OpenAlex.

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  18. The role of heat shock proteins in preventing amyloid toxicity.Frontiers in molecular biosciences · 2022
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91 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

M B YaffeDepartment of Pharmacology, Case Western Reserve School of Medicine, Cleveland, Ohio 44106.
G W Farr
D Miklos
A L Horwich
M L Sternlicht
H Sternlicht
Case Western Reserve University · USHoward Hughes Medical Institute · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A role in folding of newly translated proteins in the cytosol of eukaryotes has been proposed for t-complex polypeptide-1 (TCP1), although its molecular targets have not yet been identified. Tubulin is a major cytosolic protein whose assembly into microtubules is critical to many cellular processes. Although numerous studies have focused on the expression of tubulin, little is known about the processes whereby newly translated tubulin subunits acquire conformations that enable them to form alpha-beta-heterodimers. We examined the biogenesis of alpha- and beta-tubulin in rabbit reticulocyte lysate, and report here that newly translated tubulin subunits entered a 900K complex in a protease-sensitive conformation. Addition of Mg-ATP, but not nonhydrolysable analogues, released the tubulin subunits as assembly-competent protein with a conformation that was relatively protease-resistant. The 900K complex purified from reticulocyte lysate contained as its major constituent a 58K protein that cross-reacted with a monoclonal antiserum against mouse TCP1. We conclude that TCP1 functions as a cytosolic chaperone in the biogenesis of tubulin.

Indexed as

Intracellular Signaling Peptides and ProteinsMicrotubule-Associated ProteinsAdenosine TriphosphateAnimalsCycloheximideDNA-Binding ProteinsKineticsMacromolecular SubstancesMolecular WeightNuclear ProteinsProtein BiosynthesisProtein ConformationRabbitsReticulocytesRNA, Messengert-Complex Genome RegionAdenosine TriphosphateCycloheximideDNA-Binding ProteinsIntracellular Signaling Peptides and ProteinsMacromolecular SubstancesMicrotubule-Associated ProteinsNuclear ProteinsPPP1R11 protein, humanRNA, MessengerTubulinUbiquitin-Protein Ligases

Identifiers

PMID1630491
OpenAlexW2037094686

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.