Intracellular
Cell type enhanced (Early spermatids, Late spermatids)
Low immune cell specificity
Low cell line specificity
Homodimer (via N- and C-terminus); binds RNA as homodimer (PubMed:20695905, PubMed:18445629, PubMed:20479262). Component of the cleavage factor Im (CFIm) complex which is a heterotetramer composed of two subunits of NUDT21/CPSF5 and two subunits of CPSF6 or CPSF7 or a heterodimer of CPSF6 and CPSF7 (PubMed:9659921, PubMed:8626397, PubMed:14561889, PubMed:20695905, PubMed:23187700, PubMed:21295486). The cleavage factor Im (CFIm) complex associates with the CPSF and CSTF complexes to promote the assembly of the core mRNA 3'-processing machinery (PubMed:29276085). Interacts with CPSF6 (via the RRM domain); this interaction is direct and enhances binding to RNA (PubMed:14561889, PubMed:15169763, PubMed:17172643, PubMed:19864460, PubMed:29276085). Interacts with CPSF7 (PubMed:29276085, Ref. 30). Interacts with FIP1L1; this interaction occurs in a RNA sequence-specific manner (PubMed:15937220). Interacts with PABPN1 (PubMed:15169763). Interacts (via N-terminus) with PAPOLA (via C-terminus); this interaction is direct and diminished by acetylation (PubMed:15169763, PubMed:17172643). Interacts with SNRNP70 (PubMed:14561889). Interacts with VIRMA (PubMed:29507755).
RNA-binding
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For Research Use Only. Not For Clinical Use.