C58C1 competent cells NMY51 competent cells GV3101 competent cells EHA105 ELECTRO competent cells C58C1 ELECTRO competent cells NEB10-beta Competent Cell Y190 competent cells LBA4404 competent cells GV3101 ELECTRO competent cells T7pLysY Competent Cell BL21（DE3）Competent Cell GV3101 (PSOUP-P19) competent cells Wide range of color pre-stained protein MARKER T7 Competent Cell