...your most reliable answer will be derived by performing a titration yourself
with whatever brand/lot of G418 you have to use. Start at about 100
micrograms/mL and go up in 100 microgram increments and you should get your
answer.
Cheers,
K.
Kiley R. Prilliman, Ph.D.
Postdoctoral Research Fellow
Division of Immune Regulation
La Jolla Institute for Allergy & Immunology
kiley at liai.org