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Nuclear inhibitor of protein phosphatase 1

UniProtKB accession:  Q12972
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Go to UniProtKB:  Q12972
UniProtKB description:  Inhibitor subunit of the major nuclear protein phosphatase-1 (PP-1). It has RNA-binding activity but does not cleave RNA and may target PP-1 to RNA-associated substrates. May also be involved in pre-mRNA splicing. Binds DNA and might act as a transcriptional repressor. Seems to be required for cell proliferation.
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