Wondering how much insert you need, which strain you should use, if your DNA is pure enough, or if your vector needs electrocompetent cells? This printable reference card puts all those answers in one place. Set up correctly the first time, every time.

Struggling to get reliable protein expression? Or unsure which system to use? This guide helps you choose the right setup, optimise your gene, improve folding and solubility, and handle challenges like toxic proteins.