Table 2.

This table contains the first-order sensitivities at the middle nucleus at t = 4 min for a ubiquitous gene with initial concentrations of 1.0.

	First-order sensitivity	% Contribution to variance (Li, Bickel & Biggin, 2014)
1. Transcription	0.32	0.38
2. mRNA Diffusion	0.00	N/A
3. mRNA Decay	0.17	0.18
4. Translation	0.32	0.30
5. Protein Diffusion	0.00	N/A
6. Protein Decay	0.05	0.14