Repository logo

Infoscience

  • English
  • French
Log In
Logo EPFL, École polytechnique fédérale de Lausanne

Infoscience

  • English
  • French
Log In
  1. Home
  2. Academic and Research Output
  3. Journal articles
  4. Control Theory Concepts for Modeling Uncertainty in Enzyme Kinetics of Biochemical Networks
 
research article

Control Theory Concepts for Modeling Uncertainty in Enzyme Kinetics of Biochemical Networks

Miskovic, Ljubisa
•
Tokic, Milenko
•
Savoglidis, Georgios
Show more
May 10, 2019
Industrial & Engineering Chemistry Research

Analysis of the dynamic and steady-state properties of biochemical networks hinges on information about the parameters of enzyme kinetics. The lack of experimental data characterizing enzyme activities and kinetics along with the associated uncertainties impede the development of kinetic models, and researchers commonly use Monte Carlo sampling to explore the parameter space. However, the sampling of parameter spaces is a computationally expensive task for larger biochemical networks. To address this issue, we exploit the fact that reaction rates of biochemical reactions and network responses can be expressed as a function of displacements from the thermodynamic equilibrium of elementary reaction steps and concentrations of free enzymes and their intermediary complexes. For a set of kinetic mechanisms ubiquitously found in biochemistry, we express kinetic responses of enzymes to changes in network metabolite concentrations through these quantities both analytically and schematically. The tailor-made sampling of these quantities allows for characterizing the missing kinetic parameters and accelerating the efforts towards building genome-scale kinetic metabolic models.

  • Files
  • Details
  • Metrics
Type
research article
DOI
10.1021/acs.iecr.9b00818
Author(s)
Miskovic, Ljubisa
Tokic, Milenko
Savoglidis, Georgios
Hatzimanikatis, Vassily
Date Issued

2019-05-10

Published in
Industrial & Engineering Chemistry Research
Volume

58

Issue

30

Start page

13544

End page

13554

Subjects

kinetic models

•

metabolic control analysis

•

sampling

•

enzyme states

•

schematic method

•

elasticities

•

thermodynamic properties

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCSB  
Available on Infoscience
May 17, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/156453
Logo EPFL, École polytechnique fédérale de Lausanne
  • Contact
  • infoscience@epfl.ch

  • Follow us on Facebook
  • Follow us on Instagram
  • Follow us on LinkedIn
  • Follow us on X
  • Follow us on Youtube
AccessibilityLegal noticePrivacy policyCookie settingsEnd User AgreementGet helpFeedback

Infoscience is a service managed and provided by the Library and IT Services of EPFL. © EPFL, tous droits réservés