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. Author manuscript; available in PMC: 2019 May 16.
Published in final edited form as: Cold Spring Harb Protoc. 2018 Apr 2;2018(4):pdb.prot099051. doi: 10.1101/pdb.prot099051

Basal Internal Solution (+EGTA)

Reagent Grams in 1L Final Concentration (1X)
KOH 7.854 g 140 mM
HEPES 4.766 g 20 mM
KCl 0.1491 g 2 mM
EGTA 0.3804g 1 mM
MeSO3 13.314 g 140 mM
H2O Add water to 1L

Use MeSO3 to adjust pH to 7.1–7.2