Human CPSF4 Recombinant Protein (RPPB3243)

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SKU:
RPPB3243
Product type:
Recombinant Protein
Size:
20ug
Species:
Human
Target:
CPSF4
Synonyms:
CPSF30
Synonyms:
NAR
Synonyms:
NEB1
Synonyms:
Neb-1
Source:
Escherichia Coli
Uniprot:
O95639
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Description

Product Name:Human CPSF4 Recombinant Protein
Product Code:RPPB3243
Size:20µg
Species:Human
Target:CPSF4
Synonyms:CPSF30, NAR, NEB1, Neb-1, CPSF 30 kDa subunit, NS1 effector domain-binding protein 1.
Source:Escherichia Coli
Physical Appearance:Sterile Filtered clear solution.
Formulation:CPSF4 protein solution (1mg/ml) contains 20mM Tris-HCl buffer, (pH 8.0), 0.4M UREA and 10% glycerol.
Stability:Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Purity:Greater than 85.0% as determined by SDS-PAGE.
Amino Acid Sequence:MGSSHHHHHH SSGLVPRGSH MGSMQEIIAS VDHIKFDLEI AVEQQLGAQP LPFPGMDKSG AAVCEFFLKA ACGKGGMCPF RHISGEKTVV CKHWLRGLCK KGDQCEFLHE YDMTKMPECY FYSKFGECSN KECPFLHIDP ESKIKDCPWY DRGFCKHGPL CRHRHTRRVI CVNYLVGFCP EGPSCKFMHP RFELPMGTTE QPPLPQQTQP PAKQRTPQVI GVMQSQNSSA GNRGPRPLEQ VTCYKCGEKG HYANRCTKGH LAFLSGQ

Cleavage And Polyadenylation Specific Factor 4 (CPSF4) is a member of the CPSF4/YTH1 family. CPSF4 complex plays a vital role in pre-mRNA 3'-end formation, distinguishing the AAUAAA signal sequence and interacting with poly(A) polymerase and further factors to bring about cleavage and poly(A) additive. CPSF4 binds RNA polymers with a preference for poly(U).

CPSF4 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 267 amino acids (1-244 a.a.) and having a molecular mass of 29.9kDa.CPSF4 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

UniProt Protein Function:CPSF4: 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). Belongs to the CPSF4/YTH1 family. 3 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:RNA processing; Mitochondrial

Chromosomal Location of Human Ortholog: 7q22.1

Cellular Component: mRNA cleavage and polyadenylation specificity factor complex; nucleoplasm

Molecular Function:protein binding

Biological Process: modification by virus of host mRNA processing; tRNA splicing

NCBI Summary: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]
UniProt Code:O95639
NCBI GenInfo Identifier:37999487
NCBI Gene ID:10898
NCBI Accession:O95639.1
UniProt Secondary Accession:O95639,Q6FGE6, Q86TF8, Q9BTW6, D6W5S8,
UniProt Related Accession:O95639
Molecular Weight:27,419 Da
NCBI Full Name:Cleavage and polyadenylation specificity factor subunit 4
NCBI Synonym Full Names:cleavage and polyadenylation specific factor 4
NCBI Official Symbol:CPSF4  
NCBI Official Synonym Symbols:NAR; NEB1; NEB-1; CPSF30  
NCBI Protein Information:cleavage and polyadenylation specificity factor subunit 4
UniProt Protein Name:Cleavage and polyadenylation specificity factor subunit 4
UniProt Synonym Protein Names:Cleavage and polyadenylation specificity factor 30 kDa subunit; CPSF 30 kDa subunit; NS1 effector domain-binding protein 1; Neb-1; No arches homolog
Protein Family:Cleavage and polyadenylation specificity factor
UniProt Gene Name:CPSF4  
UniProt Entry Name:CPSF4_HUMAN
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