Cleavage And Polyadenylation Specificity Factor Subunit 4 (CPSF4) Antibody
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Description
Cleavage And Polyadenylation Specificity Factor Subunit 4 (CPSF4) Antibody is a Rabbit polyclonal antibody for the detection of Human Cleavage And Polyadenylation Specificity Factor Subunit 4 (CPSF4).
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Product specifications
| Category | Primary Antibodies |
| Immunogen Target | Cleavage And Polyadenylation Specificity Factor Subunit 4 (CPSF4) |
| Host | Rabbit |
| Reactivity | Human |
| Recommended Dilution | Optimal dilutions/concentrations should be determined by the end user. |
| Clonality | Polyclonal |
| Conjugation | Unconjugated |
| Isotype | IgG |
| Size 1 | 50 µg |
| Size 2 | 100 µg |
| Form | Liquid |
| Tested Applications | ELISA, WB, IHC |
| Buffer | 0.01 M PBS, pH 7.4, 50% glycerol, 0.05% Proclin-300. |
| Availability | Shipped within 5-12 working days. |
| Storage | Aliquot and store at -20°C. Avoid repeated freeze/thaw cycles. |
| Dry Ice | No |
| UniProt ID | O95639 |
| Gene ID | 10898 |
| NCBI Accession | NP_001075028.1 |
| Background | Antibody anti-CPSF4 |
| Status | RUO |
Descripción
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Component of the cleavage and polyadenylation specificity factor(CPSF) complex that play a key role in pre-mRNA 3'-end formation, recognizing the AAUAAA signal sequence and interacting with poly(A) polymerase and other factors to bring about cleavage and poly(A) addition. CPSF4 binds RNA polymers with a preference for poly(U).
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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.
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