Table 1. Concentration levels of components used in a multifactorial array for the identification of discriminatory reaction conditions for bi-directional ASA.

Level	A	B	C
WT-AS/WT-CP517 (µM)	0.2	0.4	0.8
MUT-AS/MUT-CP267 (µM)	0.2	0.4	0.8
MgCl2 (mM)	0.5	1	2
dNTPs (mM)	80	120	200