Gene Expression
Transcription rate α
0.05
mRNA decay δ_m
0.01
Translation rate β
0.02
Protein decay δ_p
0.003
TF binding strength
0.5
Trigger Burst
Toggle Noise
mRNA: 0
Protein: 0
Fano: —
Stochastic Gene Expression
Two-stage birth-death model: DNA → mRNA (rate α) → Protein (rate β). Bursting occurs when transcription factor binding creates stochastic on/off switching. Fano factor = Var/Mean measures noise above Poisson.