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Relationship between Metabolic Fluxes and Sequence-Derived Properties of Enzymes.


ABSTRACT: Metabolic fluxes are key parameters of metabolic pathways being closely related to the kinetic properties of enzymes, thereby could be dependent on. This study examines possible relationships between the metabolic fluxes and the physical-chemical/structural features of enzymes from the yeast Saccharomyces cerevisiae glycolysis pathway. Metabolic fluxes were quantified by the COPASI tool using the kinetic models of Hynne and Teusink at varied concentrations of external glucose. The enzyme sequences were taken from the UniProtKB and the average amino acid (AA) properties were computed using the set of Georgiev's uncorrelated scales that satisfy the VARIMAX criterion and specific AA indices that show the highest correlations with those. Multiple linear regressions (88.41%

SUBMITTER: Zikmanis P 

PROVIDER: S-EPMC4897147 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Relationship between Metabolic Fluxes and Sequence-Derived Properties of Enzymes.

Zikmanis Peteris P   Kampenusa Inara I  

International scholarly research notices 20141029


Metabolic fluxes are key parameters of metabolic pathways being closely related to the kinetic properties of enzymes, thereby could be dependent on. This study examines possible relationships between the metabolic fluxes and the physical-chemical/structural features of enzymes from the yeast Saccharomyces cerevisiae glycolysis pathway. Metabolic fluxes were quantified by the COPASI tool using the kinetic models of Hynne and Teusink at varied concentrations of external glucose. The enzyme sequenc  ...[more]

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