Cited by 145Microtubule and mitosis dynamicsGenetic and Kidney Cyst DiseasesProtein Structure and Dynamics

Direction of microtubule movement is an intrinsic property of the motor domains of kinesin heavy chain and Drosophila ncd protein.

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Stewart, R J, Thaler, J P, Goldstein, L S·1993·Proceedings of the National Academy of Sciences

Abstract

The kinesin heavy chain and the ncd (non-claret disjunctional) gene product of Drosophila are microtubule-associated motor proteins related by sequence similarity within an approximately 340-aa domain. Despite the sequence similarity, the kinesin heavy chain and ncd protein move in opposite directions on microtubules. To investigate the molecular basis for direction of movement, we created a series of truncated kinesin heavy chain and ncd proteins. We found that the conserved domain of both proteins has microtubule motor activity, although the efficiency with which ATP hydrolysis is coupled to microtubule movement declines dramatically with increasing truncation. Further, the direction of movement is intrinsic to the conserved motor domains, rather than being a consequence of domain organization or adjacent sequences.

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Crossref · 10.1073/pnas.90.11.5209

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Authors
Stewart, R. J., Thaler, J. P., & Goldstein, L. S.
Affiliations
Harvard University (US)
Venue
Proceedings of the National Academy of Sciences
Published
1993-06
Volume
90
Issue
11
Pages
5209-5213
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2056695965
Cited by
145
References
17
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2021: 1 · 2020: 1 · 2019: 2 · 2016: 1 · 2012: 2
FWCI
7.40
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Kidney Cyst Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
kinesin heavy chain, microtubule motor proteins, motor domain, ATP hydrolysis, truncated protein, Drosophila, sequence similarity
MeSH terms
Animals, Drosophila, Glutathione Transferase, Microtubule Proteins, Microtubules, Plasmids, Recombinant Fusion Proteins, Spectrin, Restriction Mapping, Kinesins, Drosophila Proteins, Macromolecular Substances

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