... 10.8 g CaCl 2 6H 2 O in 20 mL H 2 O. Sterilize by fi ltration through a 0 .22 µmfi lter. Store at 20 °C. 17. 2X HeBs buffer: 1.6 g NaCl; 0.074 g KCl; 0. 027 g Na 2 HPO4, 2H 2 O; 0 .2 g dextrose; ... single-stranded DNA, 27 4ligation, see Ligationquantitation, 50, 56, 66, 75EEGF, 22 Electroporation, methods, 52, 66, 94, 29 3, 309, 314,3 52, 363, 365preparation of cells, 51, 99, 29 3, 309,3 52, ... advanced HIV-1-infections and AIDS. J. Immunol. Methods 23 1, 22 3 23 8. 4. Steinberger, P., Andris-Widhopf, J., Buhler, B., Torbett, B. E., and Barbas, C. F., 3rd (20 00) Functional deletion...