Reagents
|
Preparation
|
Final Concentration / Amount for 1 mm-thick pellet (~5–10 mg dry weight)
|
Volume for 1 mm-thick pellet (~5–10 mg dry weight)
|
Ammonium bicarbonate (NH4HCO3) |
100 mM solution in HPLC-grade water |
- |
- |
Urea |
8 M solution in 100 mM ammonium bicarbonate |
8 M |
50 μl |
Dithiothreitol |
Reconstitute in HPLC-grade water at 500 mM |
10 mM |
1 μl |
Iodoacetamide |
Reconstitute in HPLC-grade water at 500 mM |
25 mM |
2.5 μl |
Peptide-N-Glycosidase F (PNGaseF) |
Commercial solution at 500 U/μl |
1,000 U |
2 μl |
Endoproteinase LysC, mass spectrometry-grade |
Reconstitute in HPLC-grade water at 0.5 μg/μl |
1 μg |
2 μl |
Trypsin, mass spectrometry-grade (round 1) |
Commercial solution at 0.5 μg/μl |
3 μg |
6 μl |
Trypsin, mass spectrometry-grade (round 2) |
Commercial solution at 0.5 μg/μl |
1.5 μg |
3 μl |
Trifluoro-acetic acid (TFA) |
50% solution in HPLC-grade water |
- |
2–5 μl |
Acetonitrile (elution) |
60% solution with 0.1% TFA in HPLC-grade water |
- |
500 μl |
Acetonitrile (reconstitution) |
3% solution with 0.1% TFA in HPLC-grade water |
- |
100 μl |