Intact Genomics 1256-48 BL21(DE3) pLysS, Electrocompetent Cells, 12 x 100µl/Unit - 13-045 | Genesee Scientific Intact Genomics 1256-48 BL21(DE3) pLysS, Electrocompetent Cells, 12 x 100µl/Unit - 13-045 | Genesee Scientific