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. 2007 Jun 22;189(17):6246–6252. doi: 10.1128/JB.00425-07

FIG. 4.

FIG. 4.

Analysis of purification steps of DHQS by SDS-PAGE. Lanes: 1, crude extract after dialysis; 2, protein molecular size standards (97, 68, 43, 29, 18, and 14 kDa) (Gibco); 3 through 5, DHQS after elution on Q-Sepharose Fast Flow, phenyl-Sepharose, and Sephacryl S-200 HR columns, respectively.