alexa Crystallization and preliminary X-ray analysis of a novel thermoalkalophilic poly(3-hydroxybutyrate) depolymerase (PhaZ7) from Paucimonas lemoignei.
Chemistry

Chemistry

Journal of Physical Chemistry & Biophysics

Author(s): Kapetaniou EG, Braaz R, Jendrossek D, Papageorgiou AC

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Abstract Polyhydroxyalkanoates (PHA) are biodegradable polyesters that have attracted commercial and academic interest as environmentally friendly materials. A number of enzymes are able to degrade polyhydroxyalkanoates to water-soluble products. PhaZ7 poly(3-hydroxybutyrate) (PHB) depolymerase (EC 3.1.1.75), a 342-amino-acid hydrolase from the PHA-degrading bacterium Paucimonas lemoignei, has been found to possess substrate specificity for amorphous PHA. PhaZ7 was crystallized by the microdialysis method. Thin rod-like crystals were grown in low ionic strength solution and found to belong to the monoclinic space group C2, with unit-cell parameters a = 225.8, b = 46.5, c = 171.3, beta = 128.9 degrees. A complete data set was collected to 2.75 A resolution at 100 K using synchrotron radiation.
This article was published in Acta Crystallogr Sect F Struct Biol Cryst Commun and referenced in Journal of Physical Chemistry & Biophysics

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