What QC data do you provide for E. coli expression? May 27, 2021 07:27 Updated SDS-PAGE is default free QC test. Related articles Could you provide me with a quote regarding to certain quantity of protein (eg. 1g with 95% purity)? What's the timeline for insect expression and purification? How can I choose an expression system for my protein? What is the main difference between cloneEZ and Invitrogen Gateway cloning? What if there is a problem with the synthesis of my peptide?