Direct Random Mutagenesis of Gene-Sized DNA Fragments Using Polymerase Chain Reaction
Analytical Biochemistry 224, 347-353 (1995)
Concentrations (mM) and error rates
E. (%) [dATP] [dCTP] [dGTP] [dTTP] [MnCl2] [MgCl2]
0.2 0.35 0.4 0.20 1.35 0.5 2.50
0.3 0.20 0.2 0.18 1.26 0.5 2.04
0.4 0.22 0.2 0.27 1.86 0.5 2.75
0.5 0.22 0.2 0.34 2.36 0.5 3.32
0.6 0.23 0.2 0.42 2.90 0.5 3.95
0.8 0.23 0.2 0.57 4.00 0.5 5.20
1.0 0.12 0.1 0.36 2.50 0.5 3.28
1.5 0.12 0.1 0.55 3.85 0.5 4.82
PCR Setup
amount in ul:                        
E. (%) H2O dATP dCTP dGTP dTTP Templ. Pri. BSA MgCl2 Buffer MnCl2 Enz. total
0.2 54.2 3.5 4.0 2.0 1.4 2 2 10.0 10.0 10.0 1 100.0
0.3 54.8 2.0 2.0 1.8 1.3 2 2 5 8.2 10.0 10.0 1 100.0
0.4 50.2 2.2 2.0 2.7 1.9 2 2 5 11.0 10.0 10.0 1 100.0
0.5 46.8 2.2 2.0 3.4 2.4 2 2 5 13.3 10.0 10.0 1 100.0
0.6 42.8 2.3 2.0 4.2 2.9 2 2 5 15.8 10.0 10.0 1 100.0
0.8 35.2 2.3 2.0 5.7 4.0 2 2 5 20.8 10.0 10.0 1 100.0
1.0 48.6 1.2 1.0 3.6 2.5 2 2 5 13.1 10.0 10.0 1 100.0
1.5 39.2 1.2 1.0 5.5 3.9 2 2 5 19.3 10.0 10.0 1 100.0
E. (%) H2O dATP dCTP dGTP dTTP Templ. Pri. BSA MgCl2 Buffer MnCl2 Enz. total
stock solution conc. (mM)    
dATP 10  
dCTP 10  
dGTP 10  
dTTP 100  
MnCl2 5  
MgCl2 25  
BSA 0.1 ug/ul
Total Volume 100 ul