Table 2

The variables of the circadian clock model

x1

Perm

x7

PER · Pc

x13

Pdpm

x19

CLKc

x2

Timm

x8

PER · Pn

x14

Clkm

x20

CLK · CYCc

x3

PERc

x9

TIMn

x15

VRTc

x21

CLK · CYC · Pc

x4

TIMc

x10

PER · TIMn

x16

VRIn

x22

CLK · CYCn

x5

PER · TIMc

x11

SMc

x17

PDPc

x23

CLK · CYC · Pn

x6

PER · TIMf

x12

VRIm

x18

PDPn


This Drosophila circadian clock model consists of two loops. One contains PER and TIM and the other contains PDP and VRI. They interact through CLK-CYC controlled expression. SM and FBM are two proteins assisting in the first loop.

Lan and Mezić BMC Systems Biology 2011 5:37   doi:10.1186/1752-0509-5-37

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