A high molecular mass (about 280 kDa) protein phosphatase 2A holoenzyme was detected in a crude N. crassa extract by gel filtration coupled with phosphatase activity assays. According to Western blot analysis the holoenzyme consists of a 36-kDa catalytic subunit complexed with an additional, yet unidentified, regulatory subunit(s).
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"Detection of a protein phosphatase 2A holoenzyme in Neurospora crassa.,"
Fungal Genetics Reports:
Vol. 46, Article 13.