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- Table of Contents
Facts about Cleavage and polyadenylation specificity factor subunit 6.
Many pre-mRNAs contain multiple pA signals, leading to alternative cleavage and polyadenylation (APA) producing mRNAs with variable 3'-end formation (PubMed:23187700, PubMed:29276085). The CFIm complex acts as a key regulator of cleavage and polyadenylation site choice during APA through its binding to 5'- UGUA-3' elements localized in the 3'-untranslated region (UTR) for a massive number of pre-mRNAs (PubMed:20695905, PubMed:29276085).
Human | |
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Gene Name: | CPSF6 |
Uniprot: | Q16630 |
Entrez: | 11052 |
Belongs to: |
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RRM CPSF6/7 family |
CFIM; CFIm68; CFIM68CPSF 68 kDa subunit; CFIMcleavage and polyadenylation specific factor 6, 68kD subunit; cleavage and polyadenylation specific factor 6, 68kDa; Cleavage and polyadenylation specificity factor 68 kDa subunit; cleavage and polyadenylation specificity factor subunit 6; HPBRII-4; HPBRII-7; pre-mRNA cleavage factor I, 68kD subunit; pre-mRNA cleavage factor Im (68kD); Pre-mRNA cleavage factor Im 68 kDa subunit; Protein HPBRII-4/7
Mass (kDA):
59.21 kDA
Human | |
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Location: | 12q15 |
Sequence: | 12; NC_000012.12 (69239568..69274358) |
Nucleus. Nucleus, nucleoplasm. Nucleus speckle. Cytoplasm. Shuttles between the nucleus and the cytoplasm in a transcription- and XPO1/CRM1-independent manner, most probably in complex with the cleavage factor Im complex (CFIm) (PubMed:19864460). Colocalizes with PSPC1 in punctate subnuclear structures often located adjacent to nuclear speckles, called paraspeckles, and corresponding to interchromatin granules-associated zones (IGAZs) (PubMed:17267687). Distribution in speckles and paraspeckles varies during the cell cycle (PubMed:17267687). Associates at sites of active transcription on nasce
PMID: 9659921 by Rueegsegger U., et al. Human pre-mRNA cleavage factor Im is related to spliceosomal SR proteins and can be reconstituted in vitro from recombinant subunits.
PMID: 8626397 by Rueegsegger U., et al. Purification and characterization of human cleavage factor Im involved in the 3' end processing of messenger RNA precursors.