Evidence map›Paper›PMID 11086009›Full record

ArticleThe Journal of cell biology2000

Controlling kinesin by reversible disulfide cross-linking. Identifying the motility-producing conformational change.

M Tomishige, R D Vale

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
3.5field-weighted citation impact, top 7% 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

66 citing papers in PubMed, 151 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Tether-scanning the kinesin motor domain reveals a core mechanical action.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Science advances · 2021
    Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Kinesin-2 motors: Kinetics and biophysics.The Journal of biological chemistry · 2018
    Review
  17. Article
  18. Article
  19. Common general anesthetic propofol impairs kinesin processivity.Proceedings of the National Academy of Sciences of the United States of America · 2017
    Article
  20. Mechanism of microtubule lumen entry for the α-tubulin acetyltransferase enzyme αTAT1.Proceedings of the National Academy of Sciences of the United States of America · 2016
    Article

6 more citing papers are in PubMed but not listed here.

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 1 institution in 1 country.

M TomishigeThe Howard Hughes Medical Institute and the Department of Cellular and Molecular Pharmacology, University of California, San Francisco, California 94143, USA.
R D Vale
University of California, San Francisco · US

Funding

STRUCTURE/FUNCTION OF MOLECULAR MOTORSP01AR042895 · NIAMS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI COOKE, ROGER A · 1994 to 2008
$9.8M
MICROTUBULE-BASED ORGANELLE TRANSPORTR01GM038499 · NIGMS · UNIVERSITY OF CALIFORNIA SAN FRANCISCO · PI VALE, RONALD D · 1988 to 2005
$1.2M
NIAMS NIH HHS AR42895NIAMS NIH HHS P01 AR042895NIGMS NIH HHS R01 GM038499
6 · The paper itself

Abstract

Conventional kinesin, a dimeric molecular motor, uses ATP-dependent conformational changes to move unidirectionally along a row of tubulin subunits on a microtubule. Two models have been advanced for the major structural change underlying kinesin motility: the first involves an unzippering/zippering of a small peptide (neck linker) from the motor catalytic core and the second proposes an unwinding/rewinding of the adjacent coiled-coil (neck coiled-coil). Here, we have tested these models using disulfide cross-linking of cysteines engineered into recombinant kinesin motors. When the neck linker motion was prevented by cross-linking, kinesin ceased unidirectional movement and only showed brief one-dimensional diffusion along microtubules. Motility fully recovered upon adding reducing agents to reverse the cross-link. When the neck linker motion was partially restrained, single kinesin motors showed biased diffusion towards the microtubule plus end but could not move effectively against a load imposed by an optical trap. Thus, partial movement of the neck linker suffices for directionality but not for normal processivity or force generation. In contrast, preventing neck coiled-coil unwinding by disulfide cross-linking had relatively little effect on motor activity, although the average run length of single kinesin molecules decreased by 30-50%. These studies indicate that conformational changes in the neck linker, not in the neck coiled-coil, drive processive movement by the kinesin motor.

Indexed as

Cross-Linking ReagentsDiffusionDimerizationDisulfidesHumansKinesinsMicrotubulesMolecular Motor ProteinsMutagenesisProtein Structure, SecondaryCross-Linking ReagentsDisulfidesKinesinsMolecular Motor Proteins

Identifiers

PMID11086009
PMCPMC2174365
OpenAlexW2157256220

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.