Isolation of a sea urchin egg kinesin-related protein using peptide antibodies

Douglas G. Cole, W. Zacheus Cande, Ronald J. Baskin, Dimitrios A. Skoufias, Christopher J. Hogan, Jonathan M. Scholey

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

To understand the roles of kinesin and its relatives in cell division, it is necessary to identify and characterize multiple members of the kinesin superfamily from mitotic cells. To this end we have raised antisera to peptides corresponding to highly conserved regions of the motor domains of several known members of the kinesin superfamily. These peptide antibodies react specifically with the motor domains of kinesin and ncd protein, as expected, and they also react with several polypeptides (including kinesin heavy chain) that cosediment with microtubules (MTs) precipitated from AMPPNP-treated sea urchin egg cytosol. Subsequent fractionation of ATP eluates of these MTs yields a protein of relative molecular mass 330 × 103 that behaves as a complex of three polypeptides that are distinct from conventional kinesin subunits or fragments thereof. This complex contains 85 kDa and 95 kDa polypeptides, which react with our peptide antibodies, and a 115 kDa polypeptide, which does not. This triplet of polypeptides, which we refer to as KRP(85/95), binds to purified sea urchin egg tubulin in an AMPPNP-enhanced, ATP-sensitive manner and induces the formation of microtubule bundles. We therefore propose that the triplet corresponds to a novel sea urchin egg kinesin-related protein.

Original languageEnglish (US)
Pages (from-to)291-301
Number of pages11
JournalJournal of Cell Science
Volume101
Issue number2
StatePublished - 1992

Fingerprint

Kinesin
Sea Urchins
Ovum
Peptides
Antibodies
Proteins
Microtubules
Adenylyl Imidodiphosphate
Adenosine Triphosphate
Tubulin
Cell Division
Cytosol
Immune Sera

Keywords

  • Kinesin superfamily
  • Microtubule motors
  • Peptide antibody

ASJC Scopus subject areas

  • Cell Biology

Cite this

Cole, D. G., Cande, W. Z., Baskin, R. J., Skoufias, D. A., Hogan, C. J., & Scholey, J. M. (1992). Isolation of a sea urchin egg kinesin-related protein using peptide antibodies. Journal of Cell Science, 101(2), 291-301.

Isolation of a sea urchin egg kinesin-related protein using peptide antibodies. / Cole, Douglas G.; Cande, W. Zacheus; Baskin, Ronald J.; Skoufias, Dimitrios A.; Hogan, Christopher J.; Scholey, Jonathan M.

In: Journal of Cell Science, Vol. 101, No. 2, 1992, p. 291-301.

Research output: Contribution to journalArticle

Cole, DG, Cande, WZ, Baskin, RJ, Skoufias, DA, Hogan, CJ & Scholey, JM 1992, 'Isolation of a sea urchin egg kinesin-related protein using peptide antibodies', Journal of Cell Science, vol. 101, no. 2, pp. 291-301.
Cole DG, Cande WZ, Baskin RJ, Skoufias DA, Hogan CJ, Scholey JM. Isolation of a sea urchin egg kinesin-related protein using peptide antibodies. Journal of Cell Science. 1992;101(2):291-301.
Cole, Douglas G. ; Cande, W. Zacheus ; Baskin, Ronald J. ; Skoufias, Dimitrios A. ; Hogan, Christopher J. ; Scholey, Jonathan M. / Isolation of a sea urchin egg kinesin-related protein using peptide antibodies. In: Journal of Cell Science. 1992 ; Vol. 101, No. 2. pp. 291-301.
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