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. 2009 Dec 24;4(12):e8457. doi: 10.1371/journal.pone.0008457

Figure 2. Purification of Bet v 1.0401. SDS-PAGE analysis of Bet v 1.0401 purification.

Figure 2

Bet v 1.0401 batch A was purified from E. coli lysates using a denaturing step during production, batch B was purified from soluble bacterial lysate. Production batch A, lane 1, total bacterial lysate; lane 2, soluble bacterial lysate; lane 3, fraction after basic denaturation; lane 4, salt precipitated fraction; lane 5 hydrophobic interaction chromatography; lane 6, reversed phase chromatography. Production batch B, lane 1, total bacterial lysate; lane 2, soluble bacterial lysate; lane 3, salt precipitated pellet; lane 4, salt precipitated fraction; lane 5, hydrophobic interaction chromatography; lane 6, anion exchange chromatography.