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Anti-SF2/SRSF1 Antibody Picoband® (Cy3 Conjugate)

Boster Bio Anti-SF2/SRSF1 Antibody Picoband® catalog # PB9404. Tested in IHC, WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Specifications

Background

SF2, also known as Serine/arginine-rich splicing factor 1 (SRSF1), is a protein that in humans is encoded by the SFRS1 gene. This gene encodes a member of the arginine/serine-rich splicing factor protein family. There is a pseudogene of this gene on chromosome 13. The encoded protein can either activate or repress splicing, depending on its phosphorylation state and its interaction partners. Multiple transcript variants have been found for this gene. ASF/SF2 is necessary for all splicing reactions to occur, and influences splice site selection in a concentration-dependent manner, resulting in alternative splicing.

Synonyms

Serine/arginine-rich splicing factor 1;Alternative-splicing factor 1;ASF-1;Splicing factor, arginine/serine-rich 1;pre-mRNA-splicing factor SF2, P33 subunit;SRSF1;ASF, SF2, SF2P33, SFRS1;OK/SW-cl.3;

Gene Name

Serine/arginine-rich splicing factor 1

UniProt

Q07955

Host

Rabbit

Reactivity

Human,Mouse,Rat

Cross Reactivity

No cross-reactivity with other proteins.

Immunogen

A synthetic peptide corresponding to a sequence at the N-terminus of Human SF2, identical to the related mouse sequence.

Clonality

Polyclonal

Tissue Specificity

Mainly expressed in the developing central nervous system.

Applications

IHC,WB

Purification

Immunogen affinity purified.

Concentration

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Form

Lyophilized

Reconstitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Function

Plays a role in preventing exon skipping, ensuring the accuracy of splicing and regulating alternative splicing. Interacts with other spliceosomal components, via the RS domains, to form a bridge between the 5'- and 3'-splice site binding components, U1 snRNP and U2AF. Can stimulate binding of U1 snRNP to a 5'-splice site-containing pre-mRNA. Binds to purine-rich RNA sequences, either the octamer, 5'-RGAAGAAC-3' (r=A or G) or the decamers, AGGACAGAGC/AGGACGAAGC. Binds preferentially to the 5'- CGAGGCG-3' motif in vitro. Three copies of the octamer constitute a powerful splicing enhancer in vitro, the ASF/SF2 splicing enhancer (ASE) which can specifically activate ASE-dependent splicing. Isoform ASF-2 and isoform ASF-3 act as splicing repressors. May function as export adapter involved in mRNA nuclear export through the TAP/NXF1 pathway. .

Storage Conditions

Store at -20℃ for one year from date of receipt. After reconstitution, at 4℃ for one month. It can also be aliquotted and stored frozen at -20℃ for six months. Avoid repeated freeze-thaw cycles.

Product Datasheet

https://www.bosterbio.com/datasheet?sku=PB9404

Product MSDS

https://www.bosterbio.com/msds?sku=PB9404

Fragment

Rabbit IgG

Applications Notes

Western blot, 0.1-0.5μg/ml, Human, Mouse, Rat <br> Immunohistochemistry (Paraffin-embedded Section), 2-5μg/ml, Human, Mouse, Rat, By Heat<br>

Subcellular Location

Cytoplasm. Nucleus speckle. In nuclear speckles. Shuttles between the nucleus and the cytoplasm.

Sequence Similarities

Belongs to the splicing factor SR family.

Protein Name

Serine/arginine-rich splicing factor 1

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