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. Author manuscript; available in PMC: 2018 Apr 2.
Published in final edited form as: Methods Enzymol. 2014;549:133–162. doi: 10.1016/B978-0-12-801122-5.00007-6
Step 1: 50% aqueous acetic acid

Slowly add 100 mL glacial acetic acid to 100 mL distilled water.

Steps 2-5: 1M Triethylammonium bicarbonate, pH 9.4

Dissolve 121 mL triethylamine in 1 L water (final volume)
Bubble CO2 into the solution until pH 9.4

Acidified water, pH 4.6

Bubble CO2 into autoclaved water until pH 4.6

Vydac column buffer A

Component Final concentration Stock Amount

NaH2PO4•H2O 12.5 mM 1 M 12.5 mL

Na2HPO4•7H2O 12.5 mM 0.5 M 25 mL

Adjust to pH 2.8 membrane with glacial acetic acid. Add water to 1 L. Filter through 0.22-μm hydrophilic
Vydac column buffer B

Component Final concentration Stock Amount

NaH2PO4•H2O 62.5 mM 1 M 62.5 mL

Na2HPO4•7H2O 62.5 mM 0.5 M 125 mL

Adjust to pH 2.8 membrane with glacial acetic acid. Add water to 1 L. Filter through 0.22-μm hydrophilic
Nucleoside monophosphate kinase (NM PK) solution

Component Final concentration Stock Amount

NMPK - - 60 mg

Tris-HCl, pH 6.5 50 mM 1 M 50 μL

Glycerol 50% (v/v) 100% (v/v) 0.5 mL

Add water to 1 mL
Creatine kinase (CK) solution

Component Final concentration Stock Amount

Creatine kinase - - 1 mg

Tris-HCl, pH 7.5 50 mM 1 M 50 μL

Glycerol 50% (v/v) 100% (v/v) 0.5 mL

Add water to 1 mL
Step 6: 10X transcription buffer

Component Final concentration Stock Amount

Tris-HCl, pH 8.0 400 mM 1 M 4 mL

DTT 100 mM 1 M 1 mL

Triton X-100 0.1% (v/v) 10% 0.1 mL

Spermidine, pH 7.0 10 mM 500 mM 0.2 mL

Add water to 10 mL
2X Formamide RNA loading buffer

Component Final concentration Stock Amount

Formamide 95% (v/v) 100% (v/v) 9.5 mL

SDS 0.025% (w/v) 10% (w/v) 25 μL

EDTA, pH 8.0 0.5 mM 50 mM 0.1 mL

Bromophenol blue 0.05% (w/v) - 5 mg

Xylene cyanol 0.05% (w/v) - 5 mg

Add water to 10 mL
10X Tris-Borate-EDTA buffer

Component Final concentration Stock Amount

Tris 0.9 M - 108 g

Boric acid 0.9 M - 240 g

EDTA, pH 8.0 10 mM 500 mM 20 mL

Add water to 1 L
13% Denaturing polyacrylamide gel (PAGE) solution

Component Final concentration Stock Amount

Acrylamide/bis-acrylamide (19:1) 13% 40% 162.5 mL

Urea 8 M - 240 g

TBE buffer 1 X 10 X 50 mL

Add water to 500 mL. Protect from light
3 M Sodium acetate, pH 5.2

Dissolve 24.6 g NaOAc in 100 mL water (final volume)