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Testing Data

Rabbit CstF-50 Polyclonal Antibody | anti-CstF-50 antibody

CstF-50 (R3) Polyclonal Antibody

Gene Names
CSTF1; CstF-50; CstFp50
Reactivity
Human, Mouse, Rat
Applications
Immunohistochemistry
Purity
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is >95% (by SDS-PAGE).
Synonyms
CstF-50; Polyclonal Antibody; CstF-50 (R3) Polyclonal Antibody; Cleavage stimulation factor subunit 1; CF-1 50 kDa subunit; Cleavage stimulation factor 50 kDa subunit; CSTF 50 kDa subunit; CstF50; CSTF1; anti-CstF-50 antibody
Ordering
For Research Use Only!
Host
Rabbit
Reactivity
Human, Mouse, Rat
Clonality
Polyclonal
Isotype
IgG
Specificity
CstF-50 (R3) polyclonal antibody detects endogenous levels of CstF-50 protein
Purity/Purification
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is >95% (by SDS-PAGE).
Form/Format
Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2
Sequence Length
431
Applicable Applications for anti-CstF-50 antibody
Immunohistochemistry (IHC)
Application Notes
IHC: 1:50-1:200
Immunogen
Synthetic peptide, corresponding to the N-terminus of Human CstF-50.
Preparation and Storage
Store at 4 degree C short term.
Aliquot and store at -20 degree C long term.
Avoid freeze-thaw cycles.

Testing Data

Testing Data
Related Product Information for anti-CstF-50 antibody
Polyadenylation of mRNA precursors is a two-step reaction that requires multiple protein factors. The first step, endonucleolytic cleavage of polyadenylation substrates, requires CstF (cleavage stimulation factor), a heterotrimer that is composed of three distinct subunits of 77, 64 and 50 kDa. Heterotrimeric CstF recognizes GU and U-rich sequences located downstream of the polyadenylation site on RNA. The 50 kDa CstF subunit shares extensive homology with mammalian G protein beta-subunits and has a transducin repeat domain, which is a 44 amino acid-long sequence that is repeated seven times. CstF-50 interacts with the nuclear protein BARD1 (BRCA1-associated RING domain protein) and inhibits polyadenylation in vitro. CstF-50 may also be responsible for the interaction of the heterotrimeric CstF complex with other polyadenylation and 3'-end cleavage factors to form a stable complex on the pre-mRNA.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
~ 50kDa
NCBI Official Full Name
cleavage stimulation factor subunit 1
NCBI Official Synonym Full Names
cleavage stimulation factor subunit 1
NCBI Official Symbol
CSTF1
NCBI Official Synonym Symbols
CstF-50; CstFp50
NCBI Protein Information
cleavage stimulation factor subunit 1
UniProt Protein Name
Cleavage stimulation factor subunit 1
UniProt Gene Name
CSTF1
UniProt Synonym Gene Names
CSTF 50 kDa subunit; CstF-50
UniProt Entry Name
CSTF1_HUMAN

NCBI Description

This gene encodes one of three subunits which combine to form cleavage stimulation factor (CSTF). CSTF is involved in the polyadenylation and 3'end cleavage of pre-mRNAs. Similar to mammalian G protein beta subunits, this protein contains transducin-like repeats. Several transcript variants with different 5' UTR, but encoding the same protein, have been found for this gene. [provided by RefSeq, Jul 2008]

Uniprot Description

CSTF1: one of three subunits of cleavage stimulation factor (CSTF), a polyadenylation factor that cleaves the 3a??a??end of pre-mRNAs. Binds to the C-terminal ankyrin and tandem BRCT repeat domains of BARD1 (BRCA1-associated RING domain protein), modulating mRNA processing and RNAP II stability in response to DNA damage. The BARD1-CstF-50 interaction inhibits polyadenylation in vitro. Similar to mammalian G protein beta subunits, this protein contains transducin-like repeats. WD domains are responsible for interaction with CSTF3. The sixth WD40 domain is required for interaction with BARD1.

Protein type: RNA-binding; RNA splicing

Chromosomal Location of Human Ortholog: 20q13.2

Cellular Component: nucleoplasm; intracellular membrane-bound organelle; cytoplasm; nucleus

Molecular Function: protein binding; RNA binding

Biological Process: RNA processing; nuclear mRNA splicing, via spliceosome; transcription from RNA polymerase II promoter; RNA splicing; gene expression; mRNA polyadenylation; mRNA 3'-end processing; termination of RNA polymerase II transcription; mRNA cleavage

Research Articles on CstF-50

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Product Notes

The CstF-50 cstf1 (Catalog #AAA3002085) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The CstF-50 (R3) Polyclonal Antibody reacts with Human, Mouse, Rat and may cross-react with other species as described in the data sheet. AAA Biotech's CstF-50 can be used in a range of immunoassay formats including, but not limited to, Immunohistochemistry (IHC). IHC: 1:50-1:200. Researchers should empirically determine the suitability of the CstF-50 cstf1 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "CstF-50, Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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