Abstract
Among ACC synthase preparations of various origins, i.e. those from tomato and winter squash fruits as well as those expressed by E.coli from cDNAs for tomato and winter squash ACC synthase, only the enzyme from tomato fruit tissue existed in a monomeric form, whereas the others in a dimeric form. The monomeric tomato ACC synthase was much less sensitive to the mechanism-based inactivation than the dimeric forms of ACC synthase. We suggest that ACC synthases have a property to form a dimer, but in tomato fruit tissue some modification takes place to the enzyme protein, which makes it remained as a monomer and less sensitive to the mechanism-based inactivation.
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© 1993 Springer Science+Business Media Dordrecht
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Satoh, S., Mori, H., Imaseki, H. (1993). Monomeric and Dimeric Forms and Mechanism-Based Inactivation of 1-Aminocyclopropane-1-Carboxylate Synthase. In: Pech, J.C., Latché, A., Balagué, C. (eds) Cellular and Molecular Aspects of the Plant Hormone Ethylene. Current Plant Science and Biotechnology in Agriculture, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1003-9_2
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DOI: https://doi.org/10.1007/978-94-017-1003-9_2
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