I am using a Champion pET vector with the BL21-AI cells. Can I use your MagicMedia Medium for expression?
Unfortunately, MagicMedia Medium will not work with the arabinose inducer. MagicMedia Medium needs an IPTG-inducible system along with an intact Lac operon.
MagicMedia Medium is an E. coli expression medium. It produces 3-10 times higher protein yield, is compatible with T7 regulated E. coli vectors that contain a functional lac operon and BL21 (DE3) strains, is simple to use, and eliminates OD monitoring/induction steps.
How does expression in MagicMedia affect the solubility of proteins when compared to standard LB and IPTG induction?
In most cases, the ratio of soluble to insoluble proteins is not much different when compared to LB and IPTG. However, since more total protein is typically obtained in MagicMedia, one also obtains more total soluble protein.
How does MagicMedia compare to LB-IPTG with regards to expression of toxic proteins?
Toxic protein expression has not been investigated using MagicMedia. However, the Dual Temperature protocol provided in the manual can be tried. This may be a situation where LB/IPTG induction has an advantage since parameters (time, temperature, and IPTG concentration) are easily adjusted for optimal expression.
Diversity in tissue expression, substrate binding and SCF complex formation for a lectin family of ubiquitin ligases.
Authors:Glenn KA, Nelson RF, Wen HM, Mallinger AJ, Paulson HL,
Journal:J Biol Chem
PubMed ID:18203720
'Post-translational modification of proteins regulates many cellular processes. Some modifications, including N-linked glycosylation, serve multiple functions. For example, the attachment of N-linked glycans to nascent proteins in the endoplasmic reticulum (ER) facilitates proper folding, while retention of high mannose glycans on misfolded glycoproteins serves as a signal for retrotranslocation and ... More