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Table 2 Definition of the species that participate in the tet operon reaction network.

From: Stochastic simulations of the tetracycline operon

Species

Definition

TcEx

External Tc

Tc

Intracellular Tc

TetR

Tc repressor protein

TetR2

Tc repressor protein (dimer)

TetA

Tc transport protein

tetO1

Operator site 1

tetO2

Operator site 2

nsDNA

Non-specific DNA sites

tetP R 1

Promoter 1 of tetR gene

tetP R 2

Promoter 2 of tetR gene

tetP A

Promoter of tetA gene

RNAp

RNA polymerase

Complex

Free operator and promoter sites

mRNA(tetA)

tetA gene mRNA

mRNA(tetR)

tetR gene mRNA

Rib

Ribosome

Rib:mRNA(tetR)

Ribosome bound to mRNA(tetR)

Rib:mRNA(tetA)

Ribosome bound to mRNA(tetA)

TetR 2:tetO1

TetR2 bound to tetO1

TetR 2:tetO2

TetR2 bound to tetO2

TetR 2:nsDNA

TetR2 bound to nsDNA

TetR 2:Tc

TetR2 bound to one Tc molecule

TetR 2:Tc 2

TetR2 bound to two Tc molecules

TetR 2:tetO1:Tc

TetR2 bound to tetO1 and one Tc molecule

TetR 2:tetO1:Tc 2

TetR2 bound to tetO1 and two Tc molecules

TetR 2:tetO2:Tc

TetR2 bound to tetO2 and one Tc molecule

TetR 2:tetO2:Tc 2

TetR2 bound to tetO2 and two Tc molecules

RNAp:[tetPR 1]:tetPR 2:tetP A :tetO1:tetO2

Closed complex of RNAp bound to tetPR 1

RNAp*:[tetPR 1]:tetPR 2:tetP A :tetO1:tetO2

Open complex of RNAp bound to tetPR 1

RNAp:tetPR 1:[tetPR 2]:tetPA:tetO1:tetO2

Closed complex of RNAp bound to tetPR 2

RNAp*:tetPR 1:[tetPR 2]:tetP A :tetO1:tetO2

Open complex of RNAp bound to tetPR 2

RNAp:[tetPR 2]:tetO1:TetR 2:tetO2

Closed complex of RNAp bound to tetPR 2

RNAp*:[tetPR 2]:tetO1:tetR 2:tetO2

Open complex of RNAp bound to tetPR 2

RNAp:tetPR 1:tetPR 2:[tetP A ]:tetO1:tetO2

Closed complex of RNAp bound to tetP A

RNAp*:tetPR 1:tetPR 2:[tetP A ]:tetO1:tetO2

Open complex of RNAp bound to tetP A

Rib*:mRNA(tetA)

Rib bound to the first codon of the mRNA(tetA)

Rib*:mRNA(tetR)

Rib bound to the first codon of the mRNA(tetR)

RNAp*:DNA(P A )

RNAp bound to tetA gene

RNAp*:DNA(PR 1)

RNAp bound to tetR gene starting transcription from tetPR 1

RNAp*:DNA(PR 2)

RNAp bound to tetR gene starting transcription from tetPR 2