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SRSF1 / SF2

serine/arginine-rich splicing factor 1

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.

Gene Name: serine/arginine-rich splicing factor 1
Synonyms: SRSF1, Alternative-splicing factor 1, ASF, SF2, SF2p33, SFRS1, Splicing factor 2, ASF-1, SR splicing factor 1, SRp30a
Target Sequences: NM_006924 NP_008855.1 Q07955

Publications (1)

1
Metformin decreases progerin expression and alleviates pathological defects of Hutchinson-Gilford progeria syndrome cells. Egesipe AL, Blondel S, Cicero AL, Jaskowiak AL, Navarro C, Sandre-Giovannoli A, Levy N, Peschanski M, Nissan X. NPJ aging and mechanisms of disease. 2017 November;2:16026. (Human) [Full Text Article] [PubMed:28721276] [PMC:PMC5515002] Related Antibodies: LS-B2340.

☰ Filters
Antibodies (46)
Proteins (12)
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SRSF1 / SF2 (64)
Human (48)
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SRSF1 / SF2 Antibody - Anti-SF2 antibody IHC of human kidney. Immunohistochemistry of formalin-fixed, paraffin-embedded tissue after heat-induced antigen retrieval. Antibody concentration 5 ug/ml.
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SRSF1 / SF2 Mouse anti-Human Monoclonal (N-Terminus) Antibody
Mouse, Rat, Human
IF, IHC, IHC-P, IP, WB
Unconjugated
50 µg/$485
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SRSF1 / SF2 Mouse anti-Human Monoclonal (HRP) Antibody
Mouse, Rat, Human
IF, IP, WB
HRP Conjugated
100 µl/$1,063
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SRSF1 / SF2 Mouse anti-Human Monoclonal (Biotin) Antibody
Mouse, Rat, Human
IF, IP, WB
Biotin Conjugated
100 µl/$1,063
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SRSF1 / SF2 Mouse anti-Human Monoclonal (FITC) Antibody
Mouse, Rat, Human
IF, IP, WB
FITC Conjugated
100 µl/$1,063
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SRSF1 / SF2 Mouse anti-Human Monoclonal (APC) Antibody
Mouse, Rat, Human
IF, IP, WB
APC Conjugated
100 µl/$1,063
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SRSF1 / SF2 Mouse anti-Human Monoclonal (PE) Antibody
Mouse, Rat, Human
IF, IP, WB
PE Conjugated
100 µl/$1,063
SRSF1 / SF2 Antibody - Formalin-fixed and paraffin-embedded human colon carcinoma reacted with SFRS1 Antibody , which was peroxidase-conjugated to the secondary antibody, followed by DAB staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal (aa158-186) Antibody
Human
Flo, IHC, IHC-P, WB
Unconjugated
400 µl/$393
SRSF1 / SF2 Antibody - Anti-SF2 antibody IHC of human breast. Immunohistochemistry of formalin-fixed, paraffin-embedded tissue after heat-induced antigen retrieval. Antibody concentration 10 ug/ml.
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SRSF1 / SF2 Mouse anti-Human Monoclonal (N-Terminus) Antibody
Mouse, Rat, Human
IF, IHC, IHC-P, WB
Unconjugated
50 µg/$485
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SRSF1 / SF2 Mouse anti-Human Monoclonal (FITC) Antibody
Mouse, Rat, Human
IF, WB
FITC Conjugated
100 µl/$1,017
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SRSF1 / SF2 Mouse anti-Human Monoclonal (APC) Antibody
Mouse, Rat, Human
IF, WB
APC Conjugated
100 µl/$1,017
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SRSF1 / SF2 Mouse anti-Human Monoclonal (PE) Antibody
Mouse, Rat, Human
IF, WB
PE Conjugated
100 µl/$1,017
SRSF1 / SF2 Protein - Recombinant Serine/Arginine Rich Splicing Factor 1 By SDS-PAGE
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E. coli
His-T7
27.2 kDa
10 µg/$259; 50 µg/$332; 100 µg/$487; 200 µg/$610; 1 mg/$1,567; 500 µg/$1,167; 5 mg/$2,498; 2 mg/$1,737
SRSF1 / SF2 ELISA Kit
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Sandwich
96-Well Strip Plate
Human
0.312 - 20 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$783
SRSF1 / SF2 Antibody - SF2 antibody IHC-paraffin: Mouse Brain Tissue.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal (aa6-33) Antibody
Xenopus, Rat, Hamster, Mouse, Dog, Guinea pig, Bovine, Bat, Pig, Gibbon, Human, Monkey, Chimpanzee, Orangutan
IHC, IHC-P, WB
Unconjugated
10 µg/$318; 100 µg/$470
SRSF1 / SF2 Antibody - 1:100 staining mouse brain tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the antibody for 1.5 hours at 22°C. An HRP conjugated goat anti-rabbit antibody was used as the secondary.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human, Monkey
IHC, Peptide-ELISA, WB
Unconjugated
100 µl/$379; 200 µl/$421
SRSF1 / SF2 Antibody - Human Small Intestine: Formalin-Fixed, Paraffin-Embedded (FFPE)
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SRSF1 / SF2 Rabbit anti-Human Polyclonal (aa1-50) Antibody
Human
IHC, IHC-P, IP, WB
Unconjugated
50 µl/$460
SRSF1 / SF2 Antibody - Immunohistochemical analysis of SF2 staining in human lung cancer formalin fixed paraffin embedded tissue section. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0). The section was then incubated with the antibody at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with hematoxylin and mounted with DPX.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
ICC, IF, IHC, IHC-P, WB
Unconjugated
50 µl/$286; 100 µl/$321; 200 µl/$386
SRSF1 / SF2 Antibody - A: Marker, B: HepG2 Cell Lysate.  This image was taken for the unconjugated form of this product. Other forms have not been tested.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal (aa161-210) Antibody
Human
WB
Unconjugated
100 µl/$424
SRSF1 / SF2 Antibody - Immunohistochemistry of paraffin-embedded rat lung using SRSF1 Antibodyat dilution of 1:100 (40x lens).
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SRSF1 / SF2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
IF, IHC, WB
Unconjugated
20 µl/$275; 50 µl/$311; 100 µl/$389; 200 µl/$503
SRSF1 / SF2 Protein - Purified recombinant protein SRSF1 was analyzed by SDS-PAGE gel and Coomassie Blue Staining
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HEK 293 Cells
Myc-DDK (Flag)
27.6 kDa
20 µg/$1,107
SRSF1 / SF2 Antibody
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SRSF1 / SF2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
IHC, IHC-P, WB
Unconjugated
100 µg/$575
SRSF1 / SF2 Antibody - SFRS1 Antibody IHC of formalin-fixed and paraffin-embedded testis tissue followed by peroxidase-conjugated secondary antibody and DAB staining.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal (aa11-38) Antibody
Human
IHC, IHC-P, WB
Unconjugated
400 µl/$393
SRSF1 / SF2 Antibody - Immunohistochemistry of paraffin-embedded human breast cancer using antibody at 1:100 dilution.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal (aa1-248) Antibody
Human
ELISA, IHC, IHC-P
Unconjugated
50 µl/$294; 100 µl/$360
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SRSF1 / SF2 Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IP, WB
Unconjugated
100 µg/$341
SRSF1 / SF2 Antibody - Western blot.
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SRSF1 / SF2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
IHC, WB
Unconjugated
50 µl/$356; 100 µl/$461
Viewing 1-25 of 64 product results



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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).