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NAR / CPSF4

cleavage and polyadenylation specific factor 4, 30kDa

Inhibition of the nuclear export of poly(A)-containing mRNAs caused by the influenza A virus NS1 protein requires its effector domain. The NS1 effector domain functionally interacts with the cellular 30 kDa subunit of cleavage and polyadenylation specific factor 4, an essential component of the 3' end processing machinery of cellular pre-mRNAs. In influenza virus-infected cells, the NS1 protein is physically associated with cleavage and polyadenylation specific factor 4, 30kD subunit. Binding of the NS1 protein to the 30 kDa protein in vitro prevents CPSF binding to the RNA substrate and inhibits 3' end cleavage and polyadenylation of host pre-mRNAs. Thus the NS1 protein selectively inhibits the nuclear export of cellular, and not viral, mRNAs. Multiple alternatively spliced transcript variants that encode different isoforms have been described for this gene.

Gene Name: cleavage and polyadenylation specific factor 4, 30kDa
Synonyms: CPSF4, CPSF 30 kDa subunit, NAR, Neb-1, NEB1, No arches homolog, CPSF30
Target Sequences: NM_006693 NP_006684.1 O95639

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Products
Proteins (9)
Over-Expression Lysate (5)
Recombinant (4)
NAR / CPSF4 (9)
No (9)
GST (1)
GST, N-terminus (1)
GST, N-terminus + His, C-terminus (1)
His (1)
Myc-DDK (Flag) (5)
Human (7)
293T Cells (3)
E. coli (3)
HEK 293 Cells (2)
Wheat Germ Extract (1)
Purified (3)
NAR / CPSF4 Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
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HEK 293 Cells
Myc-DDK (Flag)
30.1 kDa
100 µg/$494
NAR / CPSF4 Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
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HEK 293 Cells
Myc-DDK (Flag)
27.4 kDa
100 µg/$494
NAR / CPSF4 Protein
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E. coli
GST, N-terminus + His, C-terminus
53.4 kDa
50 µg/$419
NAR / CPSF4 Protein
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E. coli
His
100 µg/$361; 500 µg/$739; 20 µg/$261
NAR / CPSF4 Protein - 12.5% SDS-PAGE of human CPSF4 stained with Coomassie Blue
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Wheat Germ Extract
GST
52.58 kDa
2 µg/$439
NAR / CPSF4 Protein - (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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E. coli
GST, N-terminus
1 mg/$1,355; 100 µg/$420; 20 µg/$323
NAR / CPSF4 Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
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293T Cells
Myc-DDK (Flag)
27.4 kDa
20 µg/$150
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293T Cells
Myc-DDK (Flag)
30.1 kDa
20 µg/$150
NAR / CPSF4 Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
Select
293T Cells
Myc-DDK (Flag)
30.1 kDa
20 µg/$150
Viewing 1-9 of 9 product results


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PLEASE NOTE

For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).