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PPP1R8

This gene, through alternative splicing, encodes three different isoforms. Two of the protein isoforms encoded by this gene are specific inhibitors of type 1 serine/threonine protein phosphatases and can bind but not cleave RNA. The third protein isoform lacks the phosphatase inhibitory function but is a single-strand endoribonuclease comparable to RNase E of E. coli. This isoform requires magnesium for its function and cleaves specific sites in A+U-rich regions of RNA.
Predicted location

Intracellular

Single cell type specificity

Low cell type specificity

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

Interacts with phosphorylated CDC5L, SF3B1 and MELK. Interacts with EED, in a nucleic acid-stimulated manner. Part of a complex consisting of PPP1R8, EED, HDAC2 and PP-1. Part of the spliceosome. Interacts with PPP1CA, PPP1CB and PPP1CC.

Molecular function

DNA-binding, Endonuclease, Hydrolase, Nuclease, Protein phosphatase inhibitor, Repressor, RNA-binding

More Types Infomation

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For Research Use Only. Not For Clinical Use.

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