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. 2015 May 28;11(5):e1004144. doi: 10.1371/journal.pcbi.1004144

Table 2. Parameter values for current and Hong 2009 model.

Parameter Description Current Model Hong 2009
Dex Rate of CRY/PER mRNA synthesis by dexamethasone 0 0
kms Rate of CRY/PER mRNA synthesis 0 1
J Michaelis constant for BMAL1/CLOCK binding to CRY/PER promoter 0 0.3
kmd Rate of CRY/PER mRNA degradation 0.13857 0.1
kcps Rate of CRY/PER protein synthesis 0.40453 0.5
kcpd Rate of CRY/PER protein degradation 0.48936 0.525
ka Rate of CRY/PER dimer association 49.9712 100
kd Rate of CRY/PER dimer disassociation 0.36005 0.01
kp1 Rate for monomer phosphorylation 9.4531 10
Jp Michaelis constant of protein kinase (Casein Kinase 1 Epsilon, CSNK1E) 77.9254 0.05
kchk2 Rate of phosphorylation by CHK2 0 0
kicd Rate of inactive complex (BMAL1/CLOCK/(CRY/PER)/(CRY/PER)) degradation 0 0.01
kcp2d Rate of CRY/PER dimer degradation 0.0025 0.0525
kica Rate of inactive complex association 28.178 20
kchk2c Rate of phosphorylation by CHK2 0 0
kp2 Rate for dimer phosphorylation 0.36296 0.1
Tftot Total amount of BMAL1/CLOCK 0.84792 0.5
KTFCP Binding affinity of BMAL1/CLOCK to CRY/PER promoter 0.020133 0
KCP2CP Binding affinity of CRY/PER dimer to CRY/PER promoter 0.20757 0
KTFNP Binding affinity of BMAL1/CLOCK to NAMPT promoter 0.040267 0
KCP2NP Binding affinity of CRY/PER dimer to NAMPT promoter 0.21591 0
kcpdeac Rate of CRY/PER promoter deacetylation 0.099 0
knpdeac Rate of NAMPT promoter deacetylation 0.098073 0
VM Rate of CRY/PER expression 0.40053 0
VN Rate of NAMPT expression 0.56383 0
n Hill coefficient for CRY/PER mRNA synthesis 0 2
nac Value used to describe the steady state values for promoter accessibility 1.6107 0
Tconst_np Time constant for the relaxation of NAMPT promoter to steady state value 0.26014 1
Tconst_cp Time constant for the relaxation of CRY/PER promoter to steady state value 0.22107 1
VSIRT1c Rate of SIRT1 activity (non-histone deacetylation) 0.094568 0
knadd Rate of NAD+ degradation 1.3309 0
knd Rate of NAMPT mRNA degradation 0.16337 0
knps Rate of NAMPT protein synthesis 0.20238 0
knpd Rate of NAMPT protein degradation 0.16024 0
VNADc Rate of NAD+ production 5.2479 0
kaCPSIRT1 Disassociation constant of SIRT1 and NAD+ (Used with non-histone-related equations) 0.10491 0
kbCPSIRT1 Michaelis constant for non-histone substrates 0.098395 0
kPARP Rate of PARP1 activity 0 0
VSIRT1d Rate of SIRT1 activity (histone deacetylation) 0.070926 0