Assertion: β nad | /r/HasProperty | sigma
Facets:
Source sentences:
text: over the course of 40 min, in microliter aliquots, 10 μL of a solution containing 19.7 mM β-NAD (Sigma), 14% PEG 8000, 0.5 M NaCl, and 0.05 M Tris at pH = 7.5 was added to an equilibrated hanging drop containing nucleotide-free DT crystals.