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![SDS-Page: Recombinant Human, Preprotachykinin-1 His Protein [NBP2-22846] - SDS-PAGE of Preprotachykinin-1 His protein](http://images.novusbio.com/fullsize/Recombinant-Human-Substance-P-Protein-SDS-Page-NBP2-22846-img0002.jpg "SDS-Page: Recombinant Human, Preprotachykinin-1 His Protein [NBP2-22846] - SDS-PAGE of Preprotachykinin-1 His protein")