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Gel electrophoretic analysis of Gekko gecko setal proteins. Solubilized setal proteins were separated on 4–12% acrylamide gels and stained with Coomassie Blue. (a) proteins extracted with urea and β-mercaptoethanol; (b) proteins extracted with urea, β-mercaptoethanol and SDS (37 °C); (c) proteins extracted with urea, β-mercaptoethanol and SDS (100 °C).
