Words similar to co-purification
Example sentences for: co-purification
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The co-purification of the five identified SCF Pop1p-Pop2psubunits and their in vitro activity toward Rum1p suggested that they coexist in a common subcellular compartment.
Binding of each of the four different CSN subunits to nickel beads resulted in co-purification of Pcu3p, indicative of specific in vivo interactions (Fig.
Both regions contained multiple open reading frames; however, we focused immediately on a single gene for each mutant, SEC13 for npa2-1 and SEC23 for npa1-1 . SEC13 was first identified in a screen for secretory mutants and encodes a protein of the COPII coat, which is required for vesicle budding from the ER [ 37 38 39 ] . More recently, it has been shown that a fraction of the total cellular Sec13p co-fractionates with NPCs in a distinct subcomplex with Nup84p, Nup85p, Nup120p, Nup145Cp and Seh1p [ 40 41 ] . SEC23 was also identified in a screen for secretory mutants, and it, too, is a component of the COPII coat [ 37 38 39 ] . Co-purification of Sec23p with intact NPCs has not been reported [ 5 ] ; however, Sec23p was recently isolated in Nup42p and Nup116p affinity chromatography strategies [ 42 ] . Expression constructs containing only SEC13 or SEC23 were transformed into the mutant strains and assayed for their ability to rescue growth at the non-permissive temperature.
Pip1p immunoprecipitates were prepared from lysates of these four strains and appropriate controls, and co-purification of SCF components was determined by immunoblotting.