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. 2012 Jan 17;7(1):e29810. doi: 10.1371/journal.pone.0029810

Figure 1. SDS-PAGE pattern showing purification of HspB2 from the soluble fraction of E.coli BL21(DE3) cells over-expressing human HspB2.

Figure 1

Lane 1, whole cell lysate; Lane 2, soluble fraction; Lane 3, insoluble fraction; respectively, Lane 4, HspB2 precipitated by 20% saturated ammonium sulfate; and Lane 5, HspB2 purified by Phenyl Sepharose chromatography.