Critically, labeled FLAG-p7 was shown to form a hairpin by paramagnetic relaxation enhancement (PRE) (Fig. S1e).
Importantly, the photo-affinity probe CT7 labeled FLAG-Sec61α in a manner that was competed by CT9, a potent analog similar to CT8 (Maifeld et al., 2011).
The acrylamide bands corresponding to labeled FLAG-HAND1 were cut away from the dried gel, the filter paper was scraped away from the acrylamide, and rehydrated in 400 μl freshly made 50 mM ammonium bicarbonate.
The following controls were used: Unlabeled non-transfected cells (no fluorescence); unlabeled FLAG-TGR5-YFP transfected cells (only YFP-fluorescence), labeled FLAG-TGR5-Q296X FLAG-TGR5-Q296X FLAG-TGR5-Q296XBlue-fluorescence). transfectedof TGR5 in the plasma membrane was determined as the amount of PacellsBlue-YFP-ponlyive cells divided by the total amount of YFPacificBlue-fluorescence
(Right ) MonoQ profile for the CMG purification, with the expected positions for various constituents labeled (FLAG-Mcm3 alone, Mcm2-7 and the intact CMG complex).
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Afterwards cells were washed twice, incubated with the labeled anti-FLAG-M2 antibody, washed again and analyzed.
A compromise might be to label or flag fake news as such when it appears in the News Feed, and Zuckerberg says this is a strategy Facebook is considering.
FITC conjugated mouse and Rhodamine conjugated rabbit secondary antibodies were used to fluorescently label the Flag and H3K9me3 primary antibodies.
Spot quality labelling (flags) was defined for empty spots with a signal strength threshold of 1, and for shape regularity with a threshold of 0.4.
IMCD3 cells expressing Flag-D1-PAGFP were labeled with anti-Flag antibody conjugated to Alexa555 to visualize the overall surface receptor pool.
