A Process Model of Rho GTP-binding Proteins

Rho GTP-binding proteins play a key role as molecular switches in many cellular activities. In response to extracellular stimuli and with the help of regulators (GEF, GAP, Effector, GDI), these proteins serve as switches that interact with their environment in a complex manner. Based on the structure of a published ordinary differential equations (ODE) model, we first present a generic process model for the Rho GTP-binding proteins, and compare it with the ODE model. We then extend the basic model to include the behaviour of the GDI regulators and explore the parameter space for the extended model with respect to biological data from the literature. We discuss the challenges this extension brings and the directions of further research. In particular, we present techniques for modular representation and refinement of process models, where, for example, different Rho proteins with different rates for regulator interactions can be given as instances of the same parametric model.



Titolo: A Process Model of Rho GTP-binding Proteins
Autori: Kahramanogullari, Ozan; Luca, Cardelli; Emmanuelle, Caron; Philippa, Gardner; Andrew, Phillips
Autori Unitn: 
Kahramanogullari, Ozan
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Titolo del periodico: THEORETICAL COMPUTER SCIENCE
Anno di pubblicazione: 2009
Codice identificativo Scopus: 2-s2.0-67650158413
Codice identificativo ISI: WOS:000268921500009
Digital Object Identifier (DOI): http://dx.doi.org/10.1016/j.tcs.2009.04.029
Handle: http://hdl.handle.net/11572/101132
Appare nelle tipologie:03.1 Articolo su rivista (Journal article)

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http://hdl.handle.net/11572/101132
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