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Figure 2 | BMC Research Notes

Figure 2

From: Cloning and expression of an endo-1,4-β-xylanase from the coffee berry borer, Hypothenemus hampei

Figure 2

SDS-PAGE of the purified recombinant proteins. (A) HhXyl and (B) XIP-I from wheat. The proteins were purified by affinity chromatography using Ni-NTA resin. Lane 1: Low range weight marker (Bio-Rad), Lane 2: negative control for expression, Lane 3: Unpurified samples, Lane 4: 5 μl of the concentrated pure HhXyl (A) and XIP-I (B) proteins. The proteins were visualized with Coomassie brilliant blue R250.

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