Skip to main content
. Author manuscript; available in PMC: 2014 May 28.
Published in final edited form as: Methods Enzymol. 2013;529:329–336. doi: 10.1016/B978-0-12-418687-3.00028-8
Tfb I (Transformation Buffer I)
Component Final concentration Stock Amount/400 ml
Potassium acetate 30 mM - 1.18 g
RbCl2 100 mM - 4.84 g
CaCl2 -2H2O 10 mM - 0.59 g
MnCl2 50 mM - 3.96 g
glycerol 15% v/v - 60 ml
pH 5.8 with dilute acetic acid. Add water to 400 ml and filter sterilize