Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
The Cleavage Control Protein is used to monitor performance of either thrombin or enterokinase cleavage conditions. The 48 kDa protein is cleaved into 2 fragments or cleaved by , which are easily visualized by SDS-PAGE. Thrombin cleavage results in fragments of 35 kDa and 13 kDa, and Enterokinase cleavage results in fragments of 32 kDa and 16 kDA.
