Table 2. Percentage of bistable parameter sets (MA), for increasing values.

			% Likelihood of bistability for given Range
	Off scaffold	On scaffold	(0.1,1)	(1,10)	(10,102)	(102,103)	(103,104)
n = 2	ph./deph.		2.2	0	0	0	0
	deph.	ph./deph.	6.8	4.6	4.0	6.4	2.8
	deph.	ph.	4.2	2.8	4.0	3.0	4.8
n = 3	ph./deph.		6.2	0	0	0	0
	deph.	ph./deph.	5.0	7.4	8.4	9.0	7.8
	deph.	ph.	9.8	9.0	11.8	11.6	9.4
n = 4	ph./deph.		10.0	0	0	0	0
	deph.	ph./deph.	13.6	8.2	10.8	14.4	8.0
	deph.	ph.	13.0	12.2	15.8	16.4	17.4
n = 5	ph./deph.		8.6	0	0	0	0
	deph.	ph./deph.	13.6	11.2	14.4	17.2	10.2
	deph.	ph.	17.4	16.4	19.0	21.2	19.2

The percentage of parameter sets generating a bistable system is described for as in Table 1, but classified according to the ratio of to the total substrate concentration, . Notice that for a ratio no bistability is found without scaffold. That is, whenever we found that bistability is only possible in this model after the addition of a scaffold.