G For the inference of parameters, the tool SMBioNet (Choice of Models of Biological Networks) (Khalis et al., 2009; Richard, Comet Bernot, 2006) was utilized. It employs model checking strategy to generate parameter sets satisfying the desired properties encoded within the type of CTL logic. The input file of SMBioNet consists of entities as variables, their interactions, ranges of K parameters and CTL formulas. For each and every possible set of parameters (in the their ranges), a state graph (qualitative model) exists. Nonetheless, SMBioNet selects only these models which satisfy the properties (biological observations) encoded in CTL.Conversion of BRN to Petri netsPetri nets were developed by Carl Adam Petri for the evaluation of your concurrent processes occurring in technical systems (David Alla, 2010; Brauer Reisig, 2009; Bl ke, Heiner Marwan, 2011). On the other hand, as a result of its simplicity and flexibility it has been successfully applied in other domains also, like chemical reactions, biochemical processes etc.. This framework allows us to model discrete, continuous and hybrid systems. Petri nets have currently been used for modeling many complex regulatory networks and pathways as a result of their versatility and ability to cater hybrid systems. Transcriptional, metabolic and protein-interactions may be modeled together as a single system (Scott et al., 2014; Liu Heiner, 2013; Li Yokota, 2009; Chaouiya, Remy Thieffry, 2008; Formanowicz et al., 2007; Simao et al., 2005; Heiner, Koch Will, 2004; Chaouiya, 2007). GINsim permits to export the logical regulatory graph (BRN and K-parameters) into Petri net utilizing the system described by Chaouiya, Naldi Thieffry (2012). The following definition of Timed Continuous Petri net has been adapted from Tareen Ahmad (2015). Definition 3 (Timed Continuous Petri net (TCPN)): A Timed Continuous Petri net is actually a tuple P,T ,f ,h,m0 ,tempo where: P would be the finite set of Naphthoresorcinol site Locations T will be the finite set of transitions f: (P T ) (T P) R0 may be the application that assigns optimistic genuine numbers (weights) to directed arcs h: T T D ,T C is the hybrid function that assigns the form `delayed’ (T D ) or `continuous’ (T C ) to every transition, m0 : P R0 could be the initial marking of positive genuine values of areas, tempo: T Q0 t T C is an assignment function that assigns delays to delayed (deterministic) transitions and prices to continuous transitions. Example of a Timed Continuous Petri net is shown in Fig. 5.Hassan et al. (2018), PeerJ, DOI 10.7717/peerj.10/265 266m0 : P R0 would be the initial marking of good true values of places,tempo: T Q0 t T D Q t T C is definitely an assignment function that assigns delays to delayed (deterministic) transitions and rates to continuous transitions.Example of a Timed Continuous Petri net is shown in Figure 5.mRNA1 1 TF Gene1 two 0.0 Protein1 Protein2 1 TF Gene2 1 mRNA2 0.Figure five. An example of Timed Continuous Petri net where ` ‘ represents places and ` ‘ represents Figure five the areas are continuous. Locations named `TF Gene1’ and ‘ represents areas transitions. All An example of Timed Continuous Petri net exactly where ` `TF Gene2’ represent and ` ‘ represents Transcription issue ofthe locations are continuous. Locations named `TF_Gene1′ and `TF_Gene2′ represent Transcriptransitions. All Gene1 and Gene2, respectively. Black filled transition represent `Transcription’, as `Delayed element of Gene1 and Gene2,time delays. The unfilled transitions represent `Translation’ as tion tra.