A "slow" homotetrameric kinesin-related motor protein purified from drosophila embryos

Douglas G. Cole, William M. Saxton, Kathy B. Sheehan, Jonathan M. Scholey

Research output: Contribution to journalArticle

142 Citations (Scopus)

Abstract

Pan-kinesin peptide antibodies (Cole, D. G., Cande, W. Z., Baskin, R. J., Skoufias, D. A., Hogan, C. J., and Scholey, J. M. (1992) J. Cell Sci. 101, 291-301; Sawin, K. E., Mitchinson, T. J., and Wordeman, L. G. (1992) J. Cell Sci. 101, 303-313) were used to identify and isolate kinesin-related proteins (KRPs) from Drosophila melanogaster embryonic cytosol. These KRPs cosedimented with microtubules (MTs) polymerized from cytosol treated with AMP-PNP (adenyl-5′-yl imidodiphosphate), and one of them, KRP130, was further purified from ATP eluates of the embryonic MTs. Purified KRP130 behaves as a homotetrameric complex composed of four 130-kDa polypeptide subunits which displays a "slow" plus-end directed motor activity capable of moving single MTs at 0.04 ± 0.01 μm/s. The 130-kDa subunit of KRP130 was tested for reactivity with monoclonal and polyclonal antibodies that are specific for various members of the kinesin superfamily. Results indicate that the KRP130 subunit is related to Xenopus Eg5 (Sawin, K. E., Le Guellec, K. L., Philippe, M., Mitchinson, T. J. (1992) Nature 359, 540-543), a member of the BimC subfamily of kinesins. Therefore, KRP130 appears to be the first Drosophila KRP, and the first member of the BimC subfamily in any organism, to be purified from native tissue as a multimeric motor complex.

Original languageEnglish (US)
Pages (from-to)22913-22916
Number of pages4
JournalJournal of Biological Chemistry
Volume269
Issue number37
StatePublished - Sep 16 1994
Externally publishedYes

Fingerprint

Drosophila Proteins
Kinesin
Embryonic Structures
Microtubules
Proteins
Cytosol
Adenylyl Imidodiphosphate
Peptides
Antibodies
Xenopus
Drosophila
Motor Activity
Adenosine Triphosphate
Monoclonal Antibodies
Tissue

ASJC Scopus subject areas

  • Biochemistry

Cite this

Cole, D. G., Saxton, W. M., Sheehan, K. B., & Scholey, J. M. (1994). A "slow" homotetrameric kinesin-related motor protein purified from drosophila embryos. Journal of Biological Chemistry, 269(37), 22913-22916.

A "slow" homotetrameric kinesin-related motor protein purified from drosophila embryos. / Cole, Douglas G.; Saxton, William M.; Sheehan, Kathy B.; Scholey, Jonathan M.

In: Journal of Biological Chemistry, Vol. 269, No. 37, 16.09.1994, p. 22913-22916.

Research output: Contribution to journalArticle

Cole, DG, Saxton, WM, Sheehan, KB & Scholey, JM 1994, 'A "slow" homotetrameric kinesin-related motor protein purified from drosophila embryos', Journal of Biological Chemistry, vol. 269, no. 37, pp. 22913-22916.
Cole DG, Saxton WM, Sheehan KB, Scholey JM. A "slow" homotetrameric kinesin-related motor protein purified from drosophila embryos. Journal of Biological Chemistry. 1994 Sep 16;269(37):22913-22916.
Cole, Douglas G. ; Saxton, William M. ; Sheehan, Kathy B. ; Scholey, Jonathan M. / A "slow" homotetrameric kinesin-related motor protein purified from drosophila embryos. In: Journal of Biological Chemistry. 1994 ; Vol. 269, No. 37. pp. 22913-22916.
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