20 S proteasomes are imported as precursor complexes into the nucleus of yeast.

Abstract excerpt

The mechanism by which yeast 20 S proteasomes are imported into the nucleus is still unresolved. Here, we provide the first evidence that 20 S proteasomes are imported as precursor complexes into the nucleus. By using the srp1-49 mutant which is deficient in nuclear import of cargos with classical nuclear localization sequences (cNLS), we show that proteasome precursor complexes associate with...

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