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. 2001 Jun 11;153(6):1239–1250. doi: 10.1083/jcb.153.6.1239

Figure 6.

Figure 6

Bub1K872R is kinase deficient. Bub1 protein in various extracts was analyzed by immunoblot (lanes 1–4), or immunoprecipitated for an in vitro autophosphorylation reaction (lanes 5–8). Bub1-depleted extract was supplemented with mock translation (lanes 1 and 5), Bub1 translation (lanes 2 and 6), or Bub1K872R translation (lanes 3 and 7). Lanes 4 and 8, CSF-arrested extract. The migration of molecular weight standards is indicated on the left.