The cost of making a Phycoerythrin conjugated tetramer is $800. The most expensive reagents are the biotin ligase (BirA from Avidity, LLC) and the PE-conjugated streptavidin (Prozyme). On occasion, it ...

The choice of label is based upon the signal-to-noise ratio of the label, the capabilities of the flow cytometer that will be used for the assay, and the availability of other fluorescent antibodies ...

We will perform the subcloning to the appropriate vector for protein expression and additional charges may apply. All expression plasmids containing MHC alleles will be retained at our facility and ...

“It's the best ligand-protein binding pair in all of biology ... which interact very tightly to form the tetramer. Previous attempts to stabilize the dimer have involved engineering strategies ...

Figure 2: Cryo-EM reconstruction of the latrotoxin tetramer in a, top and b, side view. As with other pore-forming toxins, an initially soluble protein is converted into a membrane-inserted pore ...

Technically, Pol-theta is an enzyme—a type of protein that speeds up chemical ... has shown that Pol-theta exists in two ...