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Figure 2 | BMC Microbiology

Figure 2

From: A functional peptidoglycan hydrolase characterized from T4SS in 89K pathogenicity island of epidemic Streptococcus suis serotype 2

Figure 2

Over-expression and purification of VirB1-89KCHAP. (A) SDS-PAGE analysis (12%) of the interest VirB1-89KCHAP protein expressed in E. coli. Lanes: 1, total crude extracts after IPTG induction; 2, sonicated supernatant of induced cells; 3, sonicated sediment of induced cells; 4, noninduced cells. Protein size marker is indicated on the left. (B) The purified VirB1-89KCHAP protein after Ni+ affinity chromatography and gel filtration.

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BMC Microbiology

ISSN: 1471-2180

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