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. Author manuscript; available in PMC: 2009 Jul 2.
Published in final edited form as: J Biomol Screen. 2008 May 19;13(5):415–423. doi: 10.1177/1087057108318331

FIG. 2.

FIG. 2

Purification of human galactokinase (GALK). Different amounts of Ni2+-NTA affinity-purified GALK protein were loaded on sodium dodecyl sulfate–polyacrylamide gel electrophoresis (SDS-PAGE) as follows: M, molecular weight markers; 1, unloaded; 2, 1.25 μg GALK; 3, unloaded but some spillover of GALK from lane 4 was seen; 4, 6.25 μg GALK.