Comparative study of shark and beef brain microtubules

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Shark and beef brain tubulins were prepared by a common temperature-dependent centrifugation procedure and compared on the basis of assembly properties. The data show that: (a) the conditions for spontaneous assembly without microtubule associated proteins; (b) initial rates of assembly between 20°C and 37°C; and (c) types of polymers formed in the presence of Ca2+ are different for the two types of tubulins. The number of protofilaments, on the other hand, is the same for microtubules reconstituted from the two species of tubulins. These data are interpreted to suggest that tubulins from different species have unique properties, but the tubulin sites affecting the structure of microtubules have been highly conserved.

Original languageEnglish (US)
Pages (from-to)247-259
Number of pages13
Issue number3-4
StatePublished - 1981
Externally publishedYes

ASJC Scopus subject areas

  • Statistics and Probability
  • Modeling and Simulation
  • General Biochemistry, Genetics and Molecular Biology
  • Applied Mathematics


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