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500ug
| 产品编号 | bs-2253P |
| 英文名称 | CPSF4 Antibody Blocking Peptide |
| 中文名称 | 剪切和多聚腺苷酸化特异性因子4封闭多肽 |
| 英文别名 | Cleavage and polyadenylation specificity factor 30 kDa subunit; CPSF 30 kDa subunit; CPSF30; CPSF4; NAR; NEB1; No arches homolog; NS1 effector domain binding protein 1; CPSF4_RAT. |
| 纯化方法 | HPLC |
| 研究领域 | Epigenetics and Nuclear Signaling > DNA / RNA > RNA Processing Epigenetics and Nuclear Signaling > Transcription > Domain Families > Zinc Finger Microbiology > Interspecies Interaction > Host Virus Interaction |
| 亚基 | Component of the cleavage and polyadenylation specificity factor (CPSF) complex, composed of CPSF1, CPSF2, CPSF3, CPSF4 and FIP1L1. Interacts with FIP1L1. |
| 亚细胞定位 | Nucleus. |
| 相似性 | Belongs to the CPSF4/YTH1 family._x000D_
Contains 5 C3H1-type zinc fingers._x000D_ Contains 1 CCHC-type zinc finger. |
| 功能 | 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). |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | 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. [provided by RefSeq, Jul 2008] |
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文献和实验Dual-Color ELISPOT Assay for the Simultaneous Detection of IL-2 and/or IFN- Secreting T Cells
, activate AEC buffer using H2 O2 (see Step 25). Anti-CD3 monoclonal antibody (mAb) (Fisher Scientific) Blocking buffer for ELISPOT assay CEF peptide pool (available from the NIH AIDS Research and Reagent Program and other commercial
0.3% hydrogen peroxide (prepare immediately before use) Blocking buffer (see recipe ) HCV‐specific primary antibody (Ab), e.g
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