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SDS-PAGE analysis of purified recombinant Rgl11Y. Recombinant Rgl11Y was recovered from the soluble fraction of E. coli cell extracts. After a one-step purification process on nickel-nitrilotriacetic acid column, the Rgl11Y-containing protein fraction was submitted to SDS-PAGE (8% acrylamide) and stained with Coomassie brilliant blue. Lane 1, molecular mass markers; lane 2, recombinant form of Rgl11Y purified by Ni2+-affinity chromatography.
