Splicing Factor 3B Subunit 1 antibody

Rabbit anti Splicing Factor 3B Subunit 1

Product Type
PrecisionAb Polyclonal
Isotype
Polyclonal IgG
Format
Purified
Specificity
Splicing Factor 3B Subunit 1

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VPA00396
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Rabbit anti Human splicing factor 3b subunit 1 antibody recognizes splicing factor 3b subunit 1, also known as MDS, SAP 155, SF3b155 and spliceosome-associated protein 155.

Splicing factor 3b subunit 1, encoded by the SF3B1 gene, is a subunit of the splicing factor 3b protein complex. Splicing factor 3b, together with splicing factor 3a and a 12S RNA unit, forms the U2 small nuclear ribonucleoproteins complex (U2 snRNP). The splicing factor 3b/3a complex binds pre-mRNA upstream of the intron's branch site in a sequence independent manner and may anchor the U2 snRNP to the pre-mRNA. Splicing factor 3b is also a component of the minor U12-type spliceosome. The carboxy-terminal two-thirds of subunit 1 have 22 non-identical, tandem HEAT repeats that form rod-like, helical structures. Alternative splicing results in multiple transcript variants encoding different isoforms (provided by RefSeq, Jul 2008).

Rabbit anti Human splicing factor 3b subunit 1 antibody detects a band of 139 kDa. The antibody has been extensively validated for western blotting using whole cell lysates.
PrecisionAb Antibodies

Target Species
Human
Western Blotting
Anti splicing factor 3b subunit 1 detects a band of approximately 139 kDa in Jurkat cell lysate.
Species Cross-Reactivity
Target SpeciesCross Reactivity
Mouse
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Purified IgG - liquid
Preparation
Rabbit polyclonal antibody purified by affinity chromatography.
Buffer Solution
Phosphate buffered saline.
Preservative Stabilisers
0.09% Sodium Azide (NaN3).
Immunogen
KLH-conjugated synthetic peptide corresponding to aa 374-402 of human splicing factor 3b subunit 1
Regulatory
For research purposes only.
Guarantee
12 months from date of despatch.
Acknowledgements
PrecisionAb is a trademark of Bio-Rad Laboratories.

Store undiluted at -20°C, avoiding repeated freeze thaw cycles.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Western Blotting 1/1000
The PrecisionAb label is reserved for antibodies that meet the defined performance criteria within Bio-Rad's ongoing antibody validation programme. Click here to learn how we validate our PrecisionAb range. Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Further optimization may be required dependent on sample type.

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UniProt
O75533
Entrez Gene
SF3B1
GO Terms
GO:0005515 protein binding
GO:0000398 nuclear mRNA splicing, via spliceosome
GO:0005689 U12-type spliceosomal complex
GO:0016607 nuclear speck
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